Year % of population 1990 0 1991 0.0022112164698719584 1992 0.009616998637186134 1993 0.02112182911316879 1994 0.043305332383678154 1995 0.10557495504624777 1996 0.3101079722554715 1997 0.6091092879315424 1998 1.2292742897465458 1999 2.048838900933692 2000 3.875608306958696 2001 5.6177851272521835 2002 8.846590503267295 2003 11.263014702287203 2004 14.398612434066058 2005 16.614691758460587 2006 20.756285404301178 2007 23.732957209894458 2008 26.541865002217765 2009 31.070802481653526 2010 34.735409349244385 2011 39.37074114508241 2012 43.19984676263098 2013 46.26254604412715 2014 48.810332312064794 2015 54.401989826864295 2016 57.54435778649946 2017 60.26243338116611 2018 63.60415227732852 2019 68.75080952096637 2020 73.91301584280231 2021 76.15822296707199