date,value 1990-01-01,135.8 1990-02-01,136.1 1990-03-01,136.7 1990-04-01,137.2 1990-05-01,137.6 1990-06-01,138.2 1990-07-01,138.7 1990-08-01,139.3 1990-09-01,139.7 1990-10-01,140.2 1990-11-01,140.5 1990-12-01,141.0 1991-01-01,141.2 1991-02-01,141.6 1991-03-01,142.1 1991-04-01,142.6 1991-05-01,143.0 1991-06-01,143.2 1991-07-01,143.7 1991-08-01,143.7 1991-09-01,144.4 1991-10-01,144.4 1991-11-01,144.8 1991-12-01,145.1 1992-01-01,145.4 1992-02-01,145.7 1992-03-01,146.5 1992-04-01,146.2 1992-05-01,146.5 1992-06-01,146.7 1992-07-01,147.0 1992-08-01,147.0 1992-09-01,147.1 1992-10-01,147.9 1992-11-01,148.4 1992-12-01,148.5 1993-01-01,148.9 1993-02-01,149.1 1993-03-01,149.1 1993-04-01,149.7 1993-05-01,150.0 1993-06-01,150.4 1993-07-01,150.4 1993-08-01,150.8 1993-09-01,151.0 1993-10-01,151.3 1993-11-01,151.5 1993-12-01,151.9 1994-01-01,152.2 1994-02-01,152.7 1994-03-01,153.2 1994-04-01,153.3 1994-05-01,153.4 1994-06-01,153.5 1994-07-01,154.0 1994-08-01,154.5 1994-09-01,155.0 1994-10-01,155.1 1994-11-01,155.5 1994-12-01,155.7 1995-01-01,156.1 1995-02-01,156.3 1995-03-01,156.6 1995-04-01,157.0 1995-05-01,157.3 1995-06-01,157.6 1995-07-01,158.0 1995-08-01,158.2 1995-09-01,158.5 1995-10-01,158.8 1995-11-01,159.2 1995-12-01,159.6 1996-01-01,159.9 1996-02-01,160.3 1996-03-01,160.6 1996-04-01,160.9 1996-05-01,161.3 1996-06-01,161.8 1996-07-01,162.3 1996-08-01,162.5 1996-09-01,162.9 1996-10-01,163.2 1996-11-01,163.6 1996-12-01,163.9 1997-01-01,164.3 1997-02-01,164.7 1997-03-01,165.1 1997-04-01,165.6 1997-05-01,166.0 1997-06-01,166.5 1997-07-01,166.9 1997-08-01,167.3 1997-09-01,167.8 1997-10-01,168.2 1997-11-01,168.6 1997-12-01,169.0 1998-01-01,169.4 1998-02-01,169.8 1998-03-01,170.3 1998-04-01,170.8 1998-05-01,171.3 1998-06-01,171.8 1998-07-01,172.3 1998-08-01,172.9 1998-09-01,173.4 1998-10-01,173.9 1998-11-01,174.4 1998-12-01,174.8 1999-01-01,175.2 1999-02-01,175.5 1999-03-01,175.9 1999-04-01,176.4 1999-05-01,176.8 1999-06-01,177.2 1999-07-01,177.6 1999-08-01,178.0 1999-09-01,178.5 1999-10-01,178.8 1999-11-01,179.7 1999-12-01,180.1 2000-01-01,180.9 2000-02-01,181.3 2000-03-01,181.9 2000-04-01,182.3 2000-05-01,182.8 2000-06-01,183.4 2000-07-01,184.1 2000-08-01,184.8 2000-09-01,185.4 2000-10-01,186.1 2000-11-01,186.7 2000-12-01,187.4 2001-01-01,188.0 2001-02-01,188.7 2001-03-01,189.5 2001-04-01,190.2 2001-05-01,191.1 2001-06-01,191.8 2001-07-01,192.5 2001-08-01,193.2 2001-09-01,194.0 2001-10-01,194.7 2001-11-01,195.4 2001-12-01,196.2 2002-01-01,196.8 2002-02-01,197.5 2002-03-01,198.1 2002-04-01,198.5 2002-05-01,198.9 2002-06-01,199.5 2002-07-01,200.0 2002-08-01,200.3 2002-09-01,200.8 2002-10-01,201.3 2002-11-01,201.9 2002-12-01,202.4 2003-01-01,203.2 2003-02-01,203.5 2003-03-01,204.0 2003-04-01,204.5 2003-05-01,205.0 2003-06-01,205.3 2003-07-01,205.8 2003-08-01,206.2 2003-09-01,206.7 2003-10-01,206.9 2003-11-01,207.4 2003-12-01,207.7 2004-01-01,208.1 2004-02-01,208.6 2004-03-01,209.1 2004-04-01,209.7 2004-05-01,210.3 2004-06-01,210.9 2004-07-01,211.4 2004-08-01,212.0 2004-09-01,212.5 2004-10-01,212.8 2004-11-01,213.1 2004-12-01,213.7 2005-01-01,214.3 2005-02-01,214.9 2005-03-01,215.4 2005-04-01,216.0 2005-05-01,216.5 2005-06-01,217.0 2005-07-01,217.7 2005-08-01,218.1 2005-09-01,218.7 2005-10-01,219.3 2005-11-01,219.9 2005-12-01,220.3 2006-01-01,220.8 2006-02-01,221.5 2006-03-01,222.2 2006-04-01,222.9 2006-05-01,223.7 2006-06-01,224.6 2006-07-01,225.4 2006-08-01,226.3 2006-09-01,227.2 2006-10-01,228.0 2006-11-01,228.8 2006-12-01,229.8 2007-01-01,230.547 2007-02-01,231.546 2007-03-01,232.349 2007-04-01,232.96 2007-05-01,233.656 2007-06-01,234.283 2007-07-01,234.996 2007-08-01,235.524 2007-09-01,236.239 2007-10-01,237.18 2007-11-01,238.063 2007-12-01,238.873 2008-01-01,239.517 2008-02-01,240.08 2008-03-01,240.68 2008-04-01,241.437 2008-05-01,241.927 2008-06-01,242.882 2008-07-01,243.675 2008-08-01,244.475 2008-09-01,245.175 2008-10-01,245.914 2008-11-01,246.556 2008-12-01,246.992 2009-01-01,247.563 2009-02-01,247.994 2009-03-01,248.396 2009-04-01,248.837 2009-05-01,249.204 2009-06-01,249.381 2009-07-01,249.343 2009-08-01,249.359 2009-09-01,249.261 2009-10-01,248.959 2009-11-01,248.778 2009-12-01,248.667 2010-01-01,248.721 2010-02-01,248.717 2010-03-01,248.854 2010-04-01,248.962 2010-05-01,249.066 2010-06-01,249.327 2010-07-01,249.458 2010-08-01,249.346 2010-09-01,249.663 2010-10-01,249.66 2010-11-01,250.182 2010-12-01,250.641 2011-01-01,251.142 2011-02-01,251.516 2011-03-01,251.905 2011-04-01,252.203 2011-05-01,252.584 2011-06-01,252.986 2011-07-01,253.423 2011-08-01,254.295 2011-09-01,254.895 2011-10-01,255.651 2011-11-01,256.207 2011-12-01,256.8 2012-01-01,257.267 2012-02-01,257.842 2012-03-01,258.335 2012-04-01,258.977 2012-05-01,259.481 2012-06-01,259.893 2012-07-01,260.476 2012-08-01,260.999 2012-09-01,261.62 2012-10-01,262.631 2012-11-01,263.137 2012-12-01,263.669 2013-01-01,264.245 2013-02-01,264.904 2013-03-01,265.603 2013-04-01,266.094 2013-05-01,266.841 2013-06-01,267.451 2013-07-01,267.87 2013-08-01,268.837 2013-09-01,269.315 2013-10-01,269.822 2013-11-01,270.387 2013-12-01,271.22 2014-01-01,271.918 2014-02-01,272.461 2014-03-01,273.341 2014-04-01,274.255 2014-05-01,275.013 2014-06-01,275.819 2014-07-01,276.663 2014-08-01,277.319 2014-09-01,278.149 2014-10-01,278.797 2014-11-01,279.758 2014-12-01,280.383 2015-01-01,281.223 2015-02-01,282.171 2015-03-01,283.056 2015-04-01,283.786 2015-05-01,284.559 2015-06-01,285.477 2015-07-01,286.435 2015-08-01,287.32 2015-09-01,288.385 2015-10-01,289.236 2015-11-01,289.953 2015-12-01,290.723 2016-01-01,291.7 2016-02-01,292.617 2016-03-01,293.471 2016-04-01,294.397 2016-05-01,295.371 2016-06-01,296.306 2016-07-01,297.192 2016-08-01,298.029 2016-09-01,299.035 2016-10-01,300.215 2016-11-01,301.223 2016-12-01,302.271 2017-01-01,303.156 2017-02-01,304.06 2017-03-01,304.888 2017-04-01,305.692 2017-05-01,306.72 2017-06-01,307.681 2017-07-01,308.49 2017-08-01,309.608 2017-09-01,310.346 2017-10-01,311.33 2017-11-01,312.295 2017-12-01,313.462 2018-01-01,314.531 2018-02-01,315.162 2018-03-01,315.885 2018-04-01,316.96 2018-05-01,317.766 2018-06-01,318.607 2018-07-01,319.642 2018-08-01,320.86 2018-09-01,321.563 2018-10-01,322.447 2018-11-01,323.633 2018-12-01,324.408 2019-01-01,325.314 2019-02-01,326.22 2019-03-01,327.539 2019-04-01,328.816 2019-05-01,329.617 2019-06-01,330.919 2019-07-01,331.935 2019-08-01,332.781 2019-09-01,333.92 2019-10-01,334.558 2019-11-01,335.484 2019-12-01,336.418 2020-01-01,337.591 2020-02-01,338.489 2020-03-01,339.502 2020-04-01,340.225 2020-05-01,341.007 2020-06-01,341.524 2020-07-01,342.312 2020-08-01,342.65 2020-09-01,342.986 2020-10-01,343.502 2020-11-01,343.731 2020-12-01,344.125 2021-01-01,344.489 2021-02-01,345.099 2021-03-01,345.658 2021-04-01,346.357 2021-05-01,347.242 2021-06-01,348.07 2021-07-01,348.853 2021-08-01,349.983 2021-09-01,351.306 2021-10-01,352.771 2021-11-01,354.215 2021-12-01,355.588 2022-01-01,357.411 2022-02-01,359.438 2022-03-01,360.989 2022-04-01,363.062 2022-05-01,365.376 2022-06-01,368.216 2022-07-01,370.916 2022-08-01,373.597 2022-09-01,376.628 2022-10-01,379.291 2022-11-01,382.228 2022-12-01,385.247 2023-01-01,387.984 2023-02-01,390.904 2023-03-01,392.787 2023-04-01,395.024 2023-05-01,397.025 2023-06-01,398.949 2023-07-01,400.741 2023-08-01,402.58 2023-09-01,404.538 2023-10-01,406.532 2023-11-01,408.511 2023-12-01,410.156 2024-01-01,411.6 2024-02-01,413.427 2024-03-01,415.08 2024-04-01,416.49 2024-05-01,418.1 2024-06-01,419.223 2024-07-01,421.138 2024-08-01,422.556 2024-09-01,423.858 2024-10-01,425.235 2024-11-01,426.342 2024-12-01,427.68 2025-01-01,429.087 2025-02-01,430.318 2025-03-01,431.645 2025-04-01,433.043 2025-05-01,434.038 2025-06-01,435.033 2025-07-01,436.05 2025-08-01,437.294 2025-09-01,438.237 2025-11-01,439.002 2025-12-01,440.189 2026-01-01,441.285 2026-02-01,441.865 2026-03-01,442.705 2026-04-01,445.118 2026-05-01,446.729 2026-06-01,447.397 2026-07-01,448.542 2026-08-01,449.321 2026-09-01,450.429