Year annual % growth 1971 4.0749253854742875 1972 4.810684628650975 1973 4.4015937910178735 1974 -3.4563040326615635 1975 -4.092615717302579 1976 1.8877129362403764 1977 3.8478731561662585 1978 2.38840081922082 1979 3.74644565304348 1980 3.2105542999519656 1981 -3.2036527294844177 1982 -2.71821716053104 1983 -0.29758875158415776 1984 0.04906414745570942 1985 2.3024600591548676 1986 4.000835028911752 1987 4.414105487216943 1988 7.9962896185080865 1989 7.053284613068271 1990 5.684020932290011 1991 1.6937638992140478 1992 0.23511543659327572 1993 -6.046627405648323 1994 2.2327248726011533 1995 3.127193587261786 1996 2.1380823924288563 1997 2.8602994568605737 1998 6.028381544140757 1999 5.9148036378350355 2000 4.695849224500421 2001 1.140013159178821 2002 -1.2274359429523969 2003 1.1250880107120338 2004 2.36710223861148 2005 2.7479804733712996 2006 5.342677083887182 2007 5.110292708976289 2008 -0.8998481594413335 2009 -10.838188490600842 2010 -0.1516747427999121 2011 1.8127368195597597 2012 -3.0059939253137173 2013 -2.3020018263793673 2014 1.4191572315159817 2015 4.766467098070407 2016 4.022789474497941 2017 3.860098691359795 2018 3.1386752965155864 2019 6.788752370365984 2020 -5.8959518875879695 2021 3.6425171504792075 2022 2.557340046021082 2023 1.2670527693655629