Year % of population 1990 0 1991 1.7793959540002272E-06 1992 2.3370609400625673E-05 1993 0.0008749849340576826 1994 0.003645225330504667 1995 0.01192054466638582 1996 0.03380771186906881 1997 0.09471033297623598 1998 0.32428115297506793 1999 0.8529056476104601 2000 1.8920682750539806 2001 2.7790631652742843 2002 4.401904085327224 2003 5.753677868295639 2004 6.874288662615167 2005 8.31294615731524 2006 10.166941865561185 2007 14.36596252092334 2008 19.228845578233173 2009 23.721248687479832 2010 28.915905406718693 2011 32.33780109610064 2012 35.69168643402494 2013 38.257882381853996 2014 41.17134736742787 2015 44.118877014527264 2016 47.652824616736105 2017 50.05690979844775 2018 55.75395573122946 2019 60.22344878977787 2020 66.17129597846906 2021 70.28867141945439 2022 75.29852889543908