Year annual % growth 1981 -6.727570855767013 1982 6.463789435725715 1983 0.3856443976172983 1984 6.606684219103087 1985 15.759987632822359 1986 8.065422614938626 1987 -1.75693915658168 1988 29.127190456430043 1989 26.776066587685918 1990 16.142829826742087 1991 -2.9413333192676703 1992 12.739560732080918 1993 31.463448121241385 1994 -15.468636188191283 1995 16.90937605059888 1996 27.12149364850282 1997 12.603980124649809 1998 16.78225121781729 1999 -1.2375950947107128 2000 -25.614775373592508 2001 24.567473899950002 2002 -17.777848669790615 2003 -8.4459092101782 2004 22.93619102857687 2005 31.870434660026177 2006 28.37576616180607 2007 -13.77615334846648 2008 9.101003255951937 2009 -2.0941433203608284 2010 9.07768791079863 2011 1.9233956066672562 2012 16.2839087926896 2013 7.892008252391108 2014 17.741842850981442 2015 -7.094581074039951 2016 9.980806069399378 2017 16.03945403728575 2018 -0.16935742778447604 2019 -2.539104439598276 2020 -15.239118564082816 2021 18.989432314831546 2022 8.655676529027659 2023 2.426937885370293