Year % of population 1990 0 1991 0.0004723860454608788 1992 0.004935069627309558 1993 0.018974833212140416 1994 0.06719621444958235 1995 0.1398041920400639 1996 0.2987184434130764 1997 0.5353077427651415 1998 1.0175108994699607 1999 1.5292879792584995 2000 2.498904670852912 2001 3.6047006492848643 2002 6.610268139462806 2003 9.122321751993363 2004 12.925094706637449 2005 15.017621864334247 2006 17.80240609987996 2007 23.026743554416853 2008 28.302122439801806 2009 34.79866288188174 2010 40.04566214970316 2011 45.41396790915404 2012 50.722566926085314 2013 53.557801106746886 2014 57.559753068921786 2015 59.385031012334494 2016 63.29786028315748 2017 67.01010780433042 2018 73.1000432935342 2019 77.05831996370796 2020 80.10138719374399 2021 83.73837049105381 2022 85.19770045014269