Year annual % 1961 4.671045428154443 1962 4.947805953364863 1963 2.9142736931372752 1964 7.6042828343253746 1965 3.0047153456969795 1966 -0.33929543790104333 1967 4.698270675245425 1968 1.7959573104357105 1969 4.88187767925406 1970 6.701087656914922 1971 5.911187842982528 1972 4.927175999787465 1973 11.909883417860371 1974 11.5563366341743 1975 13.659612946062566 1976 6.25624286060642 1977 1.2004491247437699 1978 5.114861205171906 1979 2.7748123069652735 1980 2.81095221653716 1981 5.586382300881581 1982 -1.4624811337100851 1983 -0.4451835684390204 1984 0.705750522517107 1985 4.237674570690444 1986 3.2747727485952396 1987 -1.339586935324121 1988 4.190597660141179 1989 0.43408656226647224 1990 5.649216213482248 1991 6.188538138258963 1992 3.875716253841887 1993 3.337240293630799 1994 4.760617414833135 1995 2.6975089959070573 1996 1.3399972964348876 1997 4.82699347674675 1998 2.7277583967934476 1999 -7.5275244949232984 2000 -1.3333146684015134 2001 8.615200453445567 2002 6.202000802755464 2003 2.763542667253475 2004 6.6882910635820565 2005 5.988461871899233 2006 4.715943593680279 2007 1.8261914859855892 2008 8.303744596978134 2009 1.4950979288193196 2010 4.655818858666819 2011 8.371924127639048 2012 5.987588262463731 2013 7.267933382110513 2014 4.1170197498530285 2015 -0.09393371955665941 2016 -0.558757529230121 2017 5.385566858437144 2018 0.6094899957036262 2019 -0.023539486347132765 2020 -9.77340956336515 2021 11.902708431278185 2022 6.135840707656158 2023 1.7037499005110561