births/US_births_1994-2003_CDC_NCHS: 507

This table contains data behind the story Some People Are Too Superstitious To Have A Baby On Friday The 13th.

There are two files:

US_births_1994-2003_CDC_NCHS.csv contains U.S. births data for the years 1994 to 2003, as provided by the Centers for Disease Control and Prevention's National Center for Health Statistics.

US_births_2000-2014_SSA.csv contains U.S. births data for the years 2000 to 2014, as provided by the Social Security Administration.

Both files have the following structure:

Header	Definition
year	Year
month	Month
date_of_month	Day number of the month
day_of_week	Day of week, where 1 is Monday and 7 is Sunday
births	Number of births