Year annual % growth 1962 5.084205205765954 1963 4.485801139456868 1964 6.088908060979634 1965 4.4144095194515955 1966 9.008555985901538 1967 8.398948427023527 1968 6.612816110677372 1969 5.032723344320658 1970 7.810233595703949 1971 3.6490198269202097 1972 3.503913435664657 1973 4.689466041943177 1974 6.052783599613477 1975 6.4852037251462065 1976 1.8013124011760056 1977 4.111178220456793 1978 1.1033553276969599 1979 0.9329953249047236 1980 2.6526149913361508 1981 1.7094095300724348 1982 1.1837115557931384 1983 1.0841695489298644 1984 2.258705152372272 1985 3.979320725932922 1986 1.631415447896373 1987 1.4296237012723054 1988 2.9208188353150035 1989 2.4602683622419335 1990 3.276491050206218 1991 2.356248216091899 1992 0.8132433871738982 1993 -0.20001800680941528 1994 -1.135626070263072 1995 -0.9926138811105005 1996 -1.9089921700266785 1997 -0.5939597033994346 1998 1.923485403545783 1999 2.1634411167991345 2000 3.4359246543952224 2001 3.405722361367978 2002 2.262628188124367 2003 2.87969875445404 2004 1.875792282295464 2005 1.0630136927059226 2006 2.751858542421104 2007 2.3757289018065535 2008 3.7606257189476224 2009 2.6960979140941816 2010 2.251367107794195 2011 1.3106391467908622 2012 0.6980316519042447 2013 -0.7896459352075453 2014 0.5529090500012046 2015 1.3629948315046363 2016 1.7775096796860197 2017 2.1149525892728747 2018 3.1449127330744204 2019 1.0796905229992149 2020 1.266185114959569 2021 5.3963093172271215 2022 3.1672944670100094 2023 1.4823774640388478