Year annual % growth 1962 5.388957713814619 1963 3.562446147476848 1964 4.735909523467626 1965 3.689333449170036 1966 1.6464071454400937 1967 3.5028017488913292 1968 2.5181836277608625 1969 5.350696391635751 1970 3.574742814776272 1971 2.6915082778672144 1972 3.2831525283930603 1973 1.8327024868673334 1974 4.676659827616248 1975 4.007512209566414 1976 1.5973197155080072 1977 0.725284634026437 1978 3.9524555799890635 1979 1.8863632838617974 1980 4.737863526065496 1981 7.9024114419892015 1982 -1.3936572731758474 1983 0.9662989909598991 1984 2.9709543643629814 1985 -2.9130089632059963 1986 1.5430990383603813 1987 5.346822243653122 1988 3.512787313578997 1989 1.3677222299326672 1990 2.227625522816254 1991 -2.652267156046321 1992 6.318773373936423 1993 20.729066354367376 1994 6.73642315716647 1995 -0.10270011842926863 1996 11.028037369331173 1997 -1.178453043023751 1998 -11.2436102961193 1999 13.806481058877225 2000 2.0586859167168114 2001 -4.7449079834959775 2002 -4.1287084464918 2003 4.962707974756171 2004 4.60849959005192 2007 -1.104412438816766 2008 1.3412106513150945 2009 5.811560336005201 2010 2.8142787517353867 2011 0.8512477118549242 2012 5.964222648096438 2013 4.6718829528811625 2014 3.3928249473245558 2015 -2.6437097508418788 2016 2.6510366295056116 2017 2.3535206336133427 2018 4.570944430748213 2019 2.2589235063044555 2020 1.8638699224917445 2021 1.0818107018085215 2022 3.1078098248868997