Year % of total population 1960 5.843098729461061 1961 6.0224269242383 1962 6.201998713947546 1963 6.297038127213356 1964 6.37958783016577 1965 6.458634709845498 1966 6.538996521842918 1967 6.622286999753359 1968 6.70846289249442 1969 6.797296375550056 1970 6.83931011766929 1971 6.886884576714443 1972 6.944995022682561 1973 7.004307465162745 1974 7.0700288224378935 1975 7.142532750733451 1976 7.223164387458812 1977 7.299291654324456 1978 7.3677989939037305 1979 7.43484906770304 1980 7.4858078556759065 1981 7.52948803291703 1982 7.572321060844243 1983 7.611975808243534 1984 7.652367790927787 1985 7.69669241376318 1986 7.748422080207912 1987 7.805907779171954 1988 7.865793044171304 1989 7.928781578076241 1990 8.014508423160096 1991 8.119637590315506 1992 8.241267149213186 1993 8.371834562534485 1994 8.510479784297267 1995 8.657753395325985 1996 8.81741482464925 1997 8.982002846962644 1998 9.149105514762775 1999 9.309113937069984 2000 9.390927655435506 2001 9.449504994332923 2002 9.508532123556616 2003 9.574324989852554 2004 9.638994044464914 2005 9.704441674959776 2006 9.771071846142801 2007 9.839097107897608 2008 9.906870651527761 2009 9.975977868046442 2010 10.060534138351667 2011 10.16232993138243 2012 10.278522939062576 2013 10.40817712517454 2014 10.551742136251367 2015 10.707401651789587 2016 10.865225713007314 2017 11.028360486937428 2018 11.210031272405924 2019 11.403388912386204 2020 11.60097241976556 2021 11.815927648720379 2022 12.045392746103477 2023 12.278555440408564