1[2 {"id":"C1","text":"308 of the 309 window months have a computable 12-month growth rate; 2025-10 is missing because the source reports no index level, so feasibility is partial.","results_keys":["n_months_growth","n_months_missing_growth","n_analysed","feasibility","feasibility_reason"],"status":"supported","caveat":"Not imputed by rule."},3 {"id":"C2","text":"Mean 12-month CPI inflation over 2001-01..2026-09 is about 2.57%, 2.36% in 2001-2013 and 2.79% in 2014-2026.","results_keys":["mean_growth_12m","mean_growth_12m_2001_2013","mean_growth_12m_2014_2026"],"status":"supported","caveat":"Means exclude 2025-10."},4 {"id":"C3","text":"The maximum is 8.98% in 2022-06 and the minimum is -1.96% in 2009-07.","results_keys":["max_growth_12m","max_growth_month","min_growth_12m","min_growth_month","growth_2022_06"],"status":"supported","caveat":""},5 {"id":"C4","text":"Named-month growth rates: 2014-06 2.10%, 2016-07 0.87%, 2020-05 0.20%, 2026-09 3.72%.","results_keys":["growth_2014_06","growth_2016_07","growth_2020_05","growth_2026_09"],"status":"supported","caveat":"2014-06 mixes vintages (lag from the 2016 vintage)."},6 {"id":"C5","text":"The hand-assembled file contains assembly errors (old vintage in the overlap, a missing month, a one-month shift) and was not used for estimation.","results_keys":["data_issues","n_input_rows"],"status":"supported","caveat":""},7 {"id":"C6","text":"The choice of vintage in the overlap changes 2014-01..2016-06 growth rates by at most about 0.13 pp.","results_keys":["sens_max_abs_diff_growth_201401_201606","sens_mean_growth_201401_201606_old_vintage","sens_mean_growth_201401_201606_rule","max_abs_vintage_revision_overlap"],"status":"supported","caveat":"Sensitivity only; not a required estimand."}8]9