Year annual % growth 1965 4.479289227171449 1966 6.178852949301344 1967 3.856411069791932 1968 13.193981196079989 1969 10.27223179997732 1970 -4.320276045456325 1971 29.46159762274533 1972 32.86829433523209 1973 13.820000183256624 1974 5.238534559565039 1975 0.5990021833507768 1976 -1.0892116071668454 1977 15.895123435683772 1978 12.507918074384932 1979 7.457660387562015 1980 5.239582433031359 1981 3.584607625045237 1982 2.252128565844316 1983 4.50444534494639 1984 4.310290658046355 1985 4.491879960095702 1986 5.800917992485964 1987 5.721366674499848 1988 5.999926741049322 1989 5.900954702654033 1990 5.234097774273081 1991 3.799478770725102 1992 1.2000757092318821 1993 1.800852900828943 1994 1.8991672557940404 1995 3.8995070179655045 1996 3.6680327310214125 1997 -0.04062365919975264 1998 -2.1152245846919158 1999 -2.3200869837062754 2000 0.680072475144101 2001 0.2935115794651324 2002 0.08118102417296313 2003 5.972480908833404 2004 4.462210128840965 2005 4.662396881386741 2006 8.20821635619626 2007 4.375789064589554 2008 1.1423829855687728 2009 -1.0529295621440724 2010 5.557818839326075 2011 7.736093781941491 2012 0.36804276493353427 2013 4.981160119427884 2014 1.8785822067946185 2015 5.857613709263305 2016 1.897515179257752 2017 0.6960219246199983 2018 3.5771253649304953 2019 2.639694977008162 2020 -0.2884688978798948 2021 7.307889805295858 2022 2.7410286041288856