1[2 {"id":"C1","text":"g_t is computable for 308 of the 309 window months; 2025-10 is missing because the 2026-10-28 vintage reports no index level for that month, and it was not imputed.","results_keys":["n_months_growth","n_months_missing_growth","missing_growth_months","feasibility"],"status":"supported","caveat":"Feasibility is 'partial' solely because of this month."},3 {"id":"C2","text":"Mean 12-month CPI growth over 2001-01..2026-09 is 2.574%; 2.361% for 2001-2013 and 2.793% for 2014-2026.","results_keys":["mean_growth_12m","mean_growth_12m_2001_2013","mean_growth_12m_2014_2026"],"status":"supported","caveat":"The 2014-2026 mean excludes 2025-10; values depend on the vintages used."},4 {"id":"C3","text":"The maximum 12-month growth in the window is 8.979% in 2022-06 and the minimum is -1.959% in 2009-07.","results_keys":["max_growth_12m","max_growth_month","min_growth_12m","min_growth_month"],"status":"supported","caveat":""},5 {"id":"C4","text":"Named-month growth rates: 2014-06 2.098%, 2016-07 0.868%, 2020-05 0.198%, 2022-06 8.979%, 2026-09 3.717%.","results_keys":["growth_2014_06","growth_2016_07","growth_2020_05","growth_2022_06","growth_2026_09"],"status":"supported","caveat":"2014-06 mixes vintages (2.005% using the 2016 vintage only)."},6 {"id":"C5","text":"The hand-assembled file contains errors (older vintage used for 2014-01..2016-06, missing 2016-07, one-month date shift from 2016-08) and was not used for computation.","results_keys":["data_issues"],"status":"supported","caveat":""},7 {"id":"C6","text":"Choosing the vintage changes 2014 growth rates by about 0.1 pp (g(2014-06) 2.098% under the rule vs 2.005% using the 2016 vintage only).","results_keys":["growth_2014_06","sens_growth_2014_06_old_vintage_only","n_months_mixed_vintage_growth"],"status":"supported","caveat":"Single-month sensitivity only."}8]9