# BLS survey `ap`

Source: U.S. Bureau of Labor Statistics, LABSTAT time-series database (https://download.bls.gov/pub/time.series/ap/). Public domain U.S. government data. Credit: U.S. Bureau of Labor Statistics.

Survey documentation: `ap.txt`.

`*_series.parquet` defines each series_id (labels); `*_data_*.parquet` holds series_id, year, period (M01-M12 monthly, Q0x quarterly, A01/M13 annual), value, footnote_codes; other files map codes to labels.

| file | rows | columns |
|---|---|---|
| ap.area | 74 | area_code, area_name |
| ap.contacts | 16 | Consumer Price Indexes Contacts |
| ap.data.0.Current | 213718 | series_id, year, period, value, footnote_codes |
| ap.data.1.HouseholdFuels | 106978 | series_id, year, period, value, footnote_codes |
| ap.data.2.Gasoline | 99524 | series_id, year, period, value, footnote_codes |
| ap.data.3.Food | 150051 | series_id, year, period, value, footnote_codes |
| ap.footnote | 1 | footnote_code, footnote_text |
| ap.item | 160 | item_code, item_name |
| ap.period | 13 | period, period_abbr, period_name |
| ap.seasonal | 2 | seasonal_code, seasonal_text |
| ap.series | 1483 | series_id, area_code, item_code, series_title, footnote_codes, begin_year, begin_period, end_year, end_period |