# BLS survey `cf`

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

Survey documentation: `cf.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 |
|---|---|---|
| cf.case | 5 | 0, Fatalities by detailed industry (all sectors) |
| cf.category | 881 | case_code, category_code, category_text |
| cf.category2 | 152 | category_code, category_text |
| cf.contacts | 55 | Safety, Health, and Working Conditions Contacts |
| cf.data.1.AllData | 550601 | series_id, year, period, value, footnote_codes |
| cf.datatype | 0 | 8, Fatal injuries (count) |
| cf.event | 267 | event_code, event_text, display_level, selectable, sort_sequence |
| cf.footnote | 3 | footnote_code, footnote_text |
| cf.industry | 1312 | industry_code, industry_text, display_level, selectable, sort_sequence |
| cf.occupation | 602 | occupation_code, occupation_text, display_level, selectable, sort_sequence |
| cf.series | 98621 | series_id, category_code, datatype_code, case_code, industry_code, event_code, source_code, occupation_code, Unnamed: 8, footnote_code, begin_year, begin_period, end_year, end_period |
| cf.source | 1424 | source_code, source_text, display_level, selectable, sort_sequence |