Year annual % growth 1970 10.603958808418668 1971 12.27410671630247 1972 3.976729362713698 1973 6.103953365094512 1974 13.193364610601947 1975 14.050848833812069 1976 11.651155057374865 1977 1.8933995739339906 1978 8.066586099842795 1979 11.81281452797542 1980 4.76924101808433 1981 9.014751092088645 1982 4.226885410326517 1983 -2.923721975528622 1984 11.228064933885975 1985 4.088176042150948 1986 10.406328797946259 1987 -1.1726190609967801 1988 7.8431405248863655 1989 5.771128359934536 1990 8.920334932395079 1991 2.5015698723138087 1992 3.618384711502557 1993 2.8301867282606707 1994 2.5599276173731766 1995 1.9435616945152816 1996 -4.643204945126172 1997 7.200478749871138 1998 -4.656255083236488 1999 6.754609198111908 2000 1.0745045855786088 2001 -5.033689624603639 2002 0.8675376747631987 2003 2.7468294125116586 2004 5.557133489832751 2005 0.293586481250216 2006 0.35172889977685884 2007 2.5318693339330167 2008 2.550889695905852 2009 3.5154011956212656 2010 0.2163839092514337 2011 -0.9060572140500227 2012 -0.6621869936519857 2013 0.8674811198160768 2014 4.59080536070266 2015 2.0729788340551494 2016 2.2272650865691617 2017 0.4715119625092541 2018 -1.2922543135016582 2019 1.7219744741358909 2020 0.8421091064619901 2021 1.2875852468894777 2022 -2.93048850810645 2023 -2.2598049454363576