Year annual % growth 1969 11.699999770596747 1970 1.5999987256001447 1971 8.700000736678007 1972 10.899999096377798 1973 12.900002901853469 1974 7.299999874161941 1975 8.69999796665087 1976 9.00000049234481 1977 6.599999735118601 1978 3.1999998849137796 1979 -6.09999965784354 1980 -3.9200000462092675 1981 9.440000196873143 1982 6.420001119700686 1983 7.459998335418533 1984 9.2500009113228 1985 5.699999782213666 1986 10.49999989600714 1987 10.059999578346691 1988 1.5730658440874663 1989 3.020522560310141 1990 9.68078598852054 1991 -2.866616076153008 1992 -2.5981343552352882 1993 -3.2080487751040465 1994 -16.27451898256264 1995 6.197018723022936 1996 4.975292240607573 1997 9.42897889470693 1998 1.4171362106072678 1999 -4.186146961047115 2000 7.254277216372756 2001 -2.2479614670333206 2002 5.766480579352546 2003 10.200067107718453 2004 12.497947005969223 2005 7.701131203874297 2006 8.929281264101022 2007 7.170959105888514 2008 0.5726906032877963 2009 -9.547409471158247 2010 8.68673195010281 2011 14.61930308326967 2012 2.173712342311049 2013 6.42102620822547 2014 3.4237102690031236 2015 3.012181285152792 2016 3.5953743017834086 2017 8.037657972434985 2018 2.0671628507969757 2019 -0.29107141650621315 2020 2.505947754636935 2021 14.533259606012322 2022 1.9900592709912104 2023 2.8130047804071836