Year % of population 1990 0.585094712 1991 1.097203891 1992 1.768764913 1993 1.974611016 1994 2.232101254 1995 2.759654513 1996 3.27524987 1997 16.36935838 1998 30.81323944 1999 40.7837839 2000 46.75611561 2001 52.68926643 2005 63 2006 66 2007 69.45 2008 71.67 2009 74.25 2010 76 2011 79.48769771 2012 79 2013 83.45349717 2014 84 2015 84.56051491 2016 86.54 2017 86.54504885 2018 90 2019 93.60991916 2020 96.39446689 2021 96.24