Year % of population 1990 0 1991 0.000493597808316843 1992 0.0023071795298352797 1993 0.006740929764118229 1994 0.018280343162097215 1995 0.05022505027740445 1996 0.11121356083910222 1997 0.21978501591119967 1998 0.4958162339239782 1999 0.9713097073115461 2000 1.8716694815981785 2001 2.6912872092117532 2002 4.501105270933251 2003 5.7815080571670086 2004 7.406947645185385 2005 8.709720535057532 2006 10.550094627341231 2007 13.75747527711358 2008 17.126662551210302 2009 20.71976976628997 2010 24.996857829513882 2011 28.58201788820989 2012 31.577786716690202 2013 34.0118002645813 2014 36.38018399003199 2015 39.18196222712394 2016 42.08440255709253 2017 44.578585074185206 2018 48.40892691839739 2019 54.690256991900625 2020 62.469419765644815 2021 65.79921678143576