Year annual % growth 1990 12.925373649602491 1991 29.857245976292035 1992 24.671759275351192 1993 9.126791475198658 1994 15.999999999035808 1995 20.00000000138533 1996 23.9999999981529 1997 16.0000000016758 1998 19.00000000104336 1999 22.999999998752287 2000 21.101067743490248 2001 17.180486362500048 2002 10.367907053927539 2003 19.949545859728744 2004 25.619699563422543 2005 17.77593763667818 2006 11.199986421769779 2007 12.500042374155214 2008 13.69996851079378 2009 -5.085057930607718 2010 8.449995217368752 2011 10.593983964514692 2012 15.041396018355456 2013 17.81853322742917 2014 12.580207757023246 2015 13.86591071226826 2016 11.003975118520799 2017 17.2535186800678 2018 12.253344632506597 2019 6.236023473485545 2020 4.062613081263095 2021 13.906832964219745 2022 6.172535907706674