# BLS survey `ci`

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

Survey documentation: `ci.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 |
|---|---|---|
| ci.area | 33 | area_code, area_text, display_level, selectable, sort_sequence |
| ci.aspect | 411356 | series_id, year, period, aspect_type, value, footnote_codes |
| ci.contacts | 14 | Employment Cost Index Contacts |
| ci.data.1.AllData | 205678 | series_id, year, period, value, footnote_codes |
| ci.estimate | 4 | estimate_code, estimate_text, display_level, selectable, sort_sequence |
| ci.footnote | 23 | footnote_code, footnote_text |
| ci.industry | 36 | industry_code, industry_text, display_level, selectable, sort_sequence |
| ci.occupation | 21 | occupation_code, occupation_text, display_level, selectable, sort_sequence |
| ci.owner | 3 | owner_code, owner_text, display_level, selectable, sort_sequence |
| ci.periodicity | 12 | periodicity_code, periodicity_text, display_level, selectable, sort_sequence |
| ci.seasonal | 2 | seasonal_code, seasonal_text |
| ci.series | 2470 | series_id, seasonal, owner_code, industry_code, occupation_code, subcell_code, area_code, periodicity_code, estimate_code, series_title, footnote_codes, begin_year, begin_period, end_year, end_period |
| ci.subcell | 15 | subcell_code, subcell_text, display_level, selectable, sort_sequence |