Year % of population 1990 0 1991 0 1992 0 1993 0 1994 0.0002966136571842047 1995 0.0025304166513376233 1996 0.008958561132721704 1997 0.024481560832528296 1998 0.04476156679538972 1999 0.10255838788537981 2000 0.16635236262879827 2001 0.2417473052680745 2002 0.3978783660197334 2003 0.6102178952465375 2004 0.9009684141526092 2005 1.1793464289649116 2006 1.5005862887690669 2007 2.2501833114978154 2008 2.2101407919918645 2009 2.717502722649997 2010 3.3781829162216246 2011 3.9821889016264485 2012 4.965728725030746 2013 6.019460989418803 2014 7.885255938302394 2015 10.42750529984885 2016 13.465148594338437 2017 15.841365077914512 2018 18.541941983180266 2019 20.459006388262996 2020 24.511843904181884 2021 28.488517801403646