Year annual % 1965 6.741799610979825 1966 5.677701339050117 1967 4.017202535687943 1968 4.2228351723415045 1969 8.390231899198099 1970 6.640117001250417 1971 4.84264006991917 1972 3.3683081108170256 1973 3.046842876683513 1974 0.45334645796783946 1975 -2.7869108776149574 1976 -4.604210351379294 1977 10.245065690198587 1978 3.837401172367663 1979 5.435901447598269 1980 1.6307047567720332 1981 -0.05794585355954496 1982 -3.187303131241052 1983 -3.9521378157832885 1984 2.7053404144730138 1985 1.9850896264044735 1986 2.4988653529674423 1987 3.181114267740284 1988 3.346674266945442 1989 3.877772147835941 1990 -6.505326962447285 1991 2.142484702062802 1992 1.071755295117299 1993 3.26404010270484 1994 1.995962078900007 1995 6.338007435176735 1996 -2.6726736747911275 1997 3.9811865397988697 1998 0.7290551112284902 1999 5.59555364589221 2000 3.9754124926918166 2001 -0.10590888219836359 2002 -0.5182180312065015 2003 -0.6783944255990662 2004 11.058471804086338 2005 -1.7008343875693726 2006 -0.27543615623555695 2007 1.0359125785001595 2008 -2.7136543059752967 2009 -3.1888072910933545 2010 -1.4220427569202911 2011 0.05123742461465497 2012 3.834636387657312 2013 1.4608903098433785 2014 0.36444380161475465 2015 1.6677212330658477 2016 1.187631783217725 2017 -1.9606592760970898 2018 3.778558389884566 2019 -1.6852247131685658 2020 -0.6050052174352345 2021 -5.247102753105935 2022 5.27868296933309 2023 4.247795229069368