Year % (national estimate) 1991 45.548125140041876 1994 43.07786670552276 2000 46.535559484763596 2005 44.46238831034531 2010 40.63417386580911 2012 36.721691742892915 2018 30.832942667463538 2019 32.029111739192004 2020 31.910618770538402 2021 32.3468596879067 2022 34.36447069745656