yr,issuers,filings 2010,1392,23181 2011,1424,24202 2012,1472,25236 2013,1539,25786 2014,1619,27256 2015,1689,28695 2016,1744,29285 2017,1810,30001 2018,1893,31118 2019,1973,31988 2020,2089,35504 2021,2247,36666 2022,2291,35621 2023,2329,36084 2024,2387,36871 2025,2453,38422 2026,2498,31632