# BLS survey `ec`

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

Survey documentation: `ec.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 |
|---|---|---|
| .message | 10 | Special Notice to Users of Employment Cost Index Data: |
| README | -1 |  |
| ec.compensation | 3 | comp_code, comp_text |
| ec.contacts | -1 |  |
| ec.data.1.AllData | 77459 | series_id, year, period, value, footnote_codes |
| ec.group | 111 | group_code      group_name |
| ec.old.series.081297 | 996 | series_id, comp_code, group_code, ownership_code, periodicity_code, seasonal, begin_year, begin_period, end_year, end_period |
| ec.ownership | 3 | ownership_code, ownership_name |
| ec.period | 5 | period, period_abbr, period_name |
| ec.periodicity | 3 | periodicity_code, periodicity_text |
| ec.seasonal | 2 | seasonal_code, seasonal_text |
| ec.series | 851 | series_id, comp_code, group_code, ownership_code, periodicity_code, seasonal, begin_year, begin_period, end_year, end_period |
| ftpubec.tar | -1 |  |