Year % of population 1990 0.06685855367409457 1991 0.14545699273113805 1992 0.27223781003572084 1993 0.41522750518714674 1994 0.7851768070456664 1995 1.514385167637244 1996 2.6231687208943093 1997 4.799629442392013 1998 7.688772944723522 1999 13.633009541561027 2000 19.656397860986946 2001 24.13630274494334 2002 32.13461194156832 2003 38.602306291944366 2004 44.18301947700405 2005 48.29663685096396 2006 52.60790268542745 2007 58.29252710188339 2008 62.2982306003916 2009 65.08133080721255 2010 68.7339429010601 2011 69.63482113283125 2012 71.82858796165308 2013 73.58759651924568 2014 75.1709468103437 2015 75.65872018930864 2016 76.9099741593507 2017 78.70269005232481 2018 81.74182058308031 2019 82.75181602538066 2020 84.76983608928516 2021 86.97094059977739 2022 88.85076734741978