Vital statistics include typically births and deaths, marriages and divorces, abortions, and life expectancy. Researched "tract 1512" comes up with a plot of land in Jewett, Texas.
As for the vital statistics for San Antonio during 2008 and 2010, Metro Health (the public health team for San Antonio) provided the information in their 2009 (showing 2008) and 2010 Health Profiles. Both show the statistics for Bexar County (the county San Antonio is in). I will provide you with the vital statistics available for each year.
While I will provide links below for the actual documents, here are the statistics you desired. The documents break down the main categories down pretty far.
2008- Information not provided
2010- Information not provided
Infant Mortality Rate