Year annual % growth 1971 8.586202463389895 1972 4.825359962933987 1973 3.429864438465046 1974 0.9757556709487005 1975 9.50377570073509 1976 5.428172054167831 1977 8.689516684638647 1978 6.574153148134982 1979 1.058305726419718 1980 -4.665590596161124 1981 19.540509553971262 1982 8.796992428336253 1983 5.378732550348815 1984 7.848861111063059 1985 2.9266688768621947 1986 -1.5953165943403462 1987 -2.4508735541808164 1988 4.092291272562278 1989 0.38346426155879954 1990 -0.471251054690498 1991 -10.447119031537326 1992 -5.229111916711105 1993 -1.0650655365877384 1994 -1.9159711365849006 1995 -0.6075782950741484 1996 3.998385482685009 1997 2.6792249814516396 1998 0.12041164112885383 1999 5.105640253388643 2000 3.041313152248293 2001 3.275385849213478 2002 4.131055712036471 2003 7.284538221205651 2004 8.562494988705893 2005 10.400184585571012 2006 7.88930241201129 2007 10.467743891919667 2008 2.5533733959208575 2009 1.7242623187360095 2010 2.2537431048069294 2011 -1.1636868064118318 2012 -0.6393762183235907 2013 0.761202228674577 2014 -0.9813084112149539 2015 0.047192071731942065 2016 -0.21226415094339757 2017 2.174426849444572 2018 1.2953967152440384 2019 3.9278374058004033 2020 -10.078371053980803 2021 14.962938828704068 2022 1.4807992064616684