2005-2010 survey http://www.cdc.gov/mmwr/preview/mmwrhtml/ss6008a1.htm 2005-2010 survey http://www.cdc.gov/mmwr/preview/mmwrhtml/ss6008a1.htm/ 92 percent http://www.cdc.gov/mmwr/preview/mmwrhtml/ss6008a1.htm 2005-2010 survey http://www.cdc.gov/mmwr/preview/mmwrhtml/ss6008a1.htm http://www.cdc.gov/mmwr/preview/mmwrhtml/ss6008a1.htm