Year annual % growth 1971 3.233719018843402 1972 5.953298626572391 1973 5.1213245130262095 1974 -0.8095686135666824 1975 1.3928955731072392 1976 0.8100812742747792 1977 -0.6256487158890423 1978 4.392811641434349 1979 3.615144630848576 1980 0.3643438981230247 1981 0.17902481153026883 1982 0.9913642040849169 1983 3.532026821435835 1984 2.0226948131057583 1985 2.7613987564420768 1986 5.159517930554117 1987 4.084590461181634 1988 5.8643535567776155 1989 2.882136413844023 1990 1.2643135528796137 1991 -0.8457746588943138 1992 1.3696731348960611 1993 3.091045177768166 1994 2.929852443861435 1995 1.9613472026853458 1996 3.092359599862533 1997 4.17034919056249 1998 3.990715051944747 1999 4.10754709747691 2000 4.45106292224871 2001 3.5448961702623905 2002 2.9402755339626054 2003 3.60651536129933 2004 3.081681658281269 2005 2.701566846524784 2006 1.062986322682221 2007 2.7669453999771036 2008 -0.03529049068720269 2009 -1.8659931490901727 2010 1.5998844885157126 2011 -0.26435223259828433 2012 1.667173565918361 2013 1.9696914945341177 2014 2.6833128279402985 2015 2.4641935964065453 2016 2.9837948848476117 2017 1.5595157962856376 2018 1.661441020396225 2019 1.736763880663574 2020 -12.004376325968536 2021 9.235085072132975 2022 4.293748241465238 2023 0.3527945147740752