Year % of population 1990 0 1991 0.0017323024888055538 1992 0.0050408083644876535 1993 0.01462949414256358 1994 0.031709733637147464 1995 0.08649631056184602 1996 0.1127522121609742 1997 0.2131924021552049 1998 0.38677241695947295 1999 0.569512051222246 2000 0.7742175546940898 2001 0.9615520050897048 2002 1.1316294433033043 2003 1.4303983550772372 2004 1.7160466748138108 2005 1.805523142127105 2006 2.05810176814815 2007 2.7732738256207976 2008 2.694149781473166 2009 3.207416171791482 2010 5.296973613797685 2011 6.802750220968751 2012 8.534750116961431 2013 10.126945465522558 2014 12.237715793203417 2015 14.485849153453081 2016 15.753329822738998 2017 17.310986871944742 2018 20.063024259552645 2019 22.589590708438788 2020 24.98840086815917 2021 27.66065378135101