Year annual % growth 1981 7.515258389494136 1982 -1.4756498551980854 1983 5.376759425951619 1984 9.554337843454164 1985 10.993424668747465 1986 2.6714902705866024 1987 7.66755234211098 1988 -12.493938055568194 1989 -13.00483632200475 1990 -69.50361748699942 1991 -66.14780017606638 1992 20.485514735267515 1993 9.299076117236154 1994 -13.123158435779416 1995 31.8219092215881 1996 -1.3449539010273952 1997 -0.44675743852728544 1998 -2.239080735920524 1999 16.473092694926024 2000 -9.656162497260155 2001 12.561527467303321 2002 6.291000439473038 2003 15.150960697998215 2004 26.24329164177317 2005 14.348005003929813 2006 15.915315632301883 2007 22.61630916304162 2008 4.864036044509973 2009 -21.50830590115224 2010 -0.30186874053894996 2011 9.615936999827525 2012 5.3786983159858295 2013 4.335796208715138 2014 5.145459767195604 2015 4.733573532994356 2016 5.110285736862721 2017 7.403050639563531 2018 5.761363694938822 2019 5.224122469270583 2020 -4.307969084250914 2021 10.737219631995615 2022 14.969130149060234 2023 -6.270357817243024