SOURCES: Kaiser, 2008, based on Bureau of Labor Statistics, State Occupational Employment and Wage Estimates, May 2008. As of August 3, 2009: http://www.bls.gov/data/home.htm.NOTES: The U.S. total includes the territories. Estimates for detailed occupations do not sum to the totals because of rounding. Estimates do not include self-employed workers. Registered nurses include advance practice nurses, such as nurse practitioners, clinical nurse specialists, certified nurse midwives, and certified registered nurse anesthetists.