1[2 {"id":"C1","text":"Mean 12-month CPI growth over 2001-01..2026-09 (308 computable months) is 2.574%.","results_keys":["mean_growth_12m","n_months_growth","n_analysed"],"status":"supported","caveat":"Excludes 2025-10 (no index level)."},3 {"id":"C2","text":"Mean growth was 2.361% in 2001-2013 (baseline) and 2.793% in 2014-01..2026-09.","results_keys":["mean_growth_12m_2001_2013","mean_growth_12m_2014_2026","n_months_2001_2013","n_months_2014_2026"],"status":"supported","caveat":"Sub-periods use different vintages; 2014-2026 mean excludes 2025-10."},4 {"id":"C3","text":"Maximum 12-month growth was 8.979% in 2022-06; minimum was -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":"Growth in named months: 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 2026-vintage numerator with 2016-vintage denominator per the vintage rule."},6 {"id":"C5","text":"g_t is not computable for one month (2025-10) because the source reports no index level; the task is therefore partially feasible, with all summary estimands computed.","results_keys":["n_months_missing_growth","missing_growth_months","feasibility","feasibility_reason"],"status":"supported","caveat":""},7 {"id":"C6","text":"cpi_assembled.csv contains assembly errors (old-vintage values in the overlap, missing 2016-07, one-month shift from 2016-08) and was not used for estimation.","results_keys":["data_issues","n_input_rows"],"status":"supported","caveat":""}8]9