Year % of population 1990 0 1991 0 1992 0 1993 0 1994 0.107173945 1995 0.18804679 1996 0.330017773 1997 0.550521023 1998 1.126225245 1999 1.697730794 2000 2.207532993 2001 2.854199971 2002 4.6 2003 7.388923711 2004 9.118690303 2005 11.00726389 2006 15.34167454 2007 21.8 2008 25.6 2009 30 2010 36.5 2011 40.35091575 2012 48.98 2013 51.7 2014 52.57 2015 55.90497251 2016 58.13649357 2017 62.25988032 2018 64.12637682 2019 65.00690072 2020 69.79533474 2021 73.02837449 2022 72.79637704