Year annual % growth 1961 8.000000000000185 1962 16.392318244170028 1963 9.54625810253387 1964 5.648197955890225 1965 11.761710794297315 1966 15.353075170843027 1967 13.349131121642912 1968 14.111498257839614 1969 12.15267175572528 1970 8.68499863871493 1971 16.13226452905782 1972 16.86798964624687 1973 18.34625322997414 1974 16.297567061759153 1975 8.193643556390256 1976 30.032226078334133 1977 4.975693451529722 1978 -10.451284845182911 1979 -12.887852362603724 1980 12.303573507158646 1981 8.032752902155778 1982 -4.3749400364579 1983 11.8992675830238 1984 12.283690486864558 1985 -2.1081210572545217 1986 -6.3545150501671515 1987 11.114982578397289 1988 2.0539354029473316 1989 3.5494753705425808 1990 28.124403081899487 1991 21.18809025174633 1992 -0.9111614978004638 1993 -5.236218132611313 1994 3.3269782160282517 1995 -0.011892059325731452 1996 18.35967837452057 1997 11.691865565538933 1998 -3.006597101452087 1999 10.170153748507431 2000 11.941161551352437 2001 13.686116368807205 2002 12.54252585233533 2003 10.502879922789703 2004 4.098932442867564 2005 10.504244478093412 2006 7.9273073250521975 2007 1.9761691214630304 2008 3.1154657872954914 2009 8.106808371326977 2010 10.498444297633242 2011 5.647449571174647 2012 -4.29279565559527 2013 -5.4886447664519125 2014 6.9821692534751065 2015 -8.150681153744088 2016 7.975594401040411 2017 5.100422713923194 2018 -3.2460208884315875 2019 0.37632477729636093 2020 7.195329123753936 2021 3.2701698750556147 2022 9.489890304200372