Year % of population 1990 0 1991 0 1992 0 1993 0.00024497822205868944 1994 0.002014405340151628 1995 0.01143938643281933 1996 0.026861696712338776 1997 0.08001870479064584 1998 0.17026411723779908 1999 0.4388106775562822 2000 0.8673646749718865 2001 1.1494957299015498 2002 2.815314732248465 2003 4.0409506165150315 2004 7.520908773473449 2005 8.509016997579364 2006 9.876186857649532 2007 11.86498871549134 2008 14.979849837545197 2009 17.616047734105095 2010 20.517752797492136 2011 22.784573715238263 2012 25.782113739573543 2013 29.493672941544443 2014 34.53470667161386 2015 38.83576263593314 2016 42.91990625896462 2017 48.44783980914001 2018 54.085028830042596 2019 62.11813288213758 2020 68.28199519633351 2021 73.27587142407071