Year annual % 1962 6.126420181846129 1963 6.073729272899527 1964 6.290452344870687 1965 10.102494142643621 1966 11.17814659572123 1967 -1.1215831814374866 1968 7.710649639780968 1969 6.900225058900887 1970 7.869567718019297 1971 10.458967871200244 1972 5.5480297617545205 1973 10.032899816339054 1974 -4.856104114338649 1975 1.7640902417815312 1976 6.195428946098673 1977 15.046081441632268 1978 14.97689771102624 1979 3.629453681570311 1980 9.216925247276507 1981 5.106068370610302 1982 3.611779487208082 1983 6.099349696003358 1984 4.817368688534728 1985 3.235887940085874 1986 7.232418914271818 1987 9.539340684426918 1988 8.45509595072717 1989 2.757217627544776 1990 5.920954954300498 1991 8.356053440245375 1992 7.673954636413342 1993 6.00971365876137 1994 4.127002803100808 1995 -0.36355326932813625 1996 -0.7783161184952547 1997 4.664808169389829 1998 -6.282019554312342 1999 0.08493429140317232 2000 3.5985191745544682 2001 0.6558002718441998 2002 -1.4835942205172046 2003 -1.362681365620844 2004 6.294924637495143 2005 3.092295523139427 2006 5.416296793337111 2007 7.718199428265152 2008 1.2917079229075341 2009 -0.03629967954860547 2010 5.337697305653194 2011 7.666203809135922 2012 2.9598976561761674 2013 4.200252768966521 2014 2.6165168643547076 2015 3.8734962616168787 2016 1.374806389943302 2017 4.690082099108395 2018 4.451491291628599 2019 -1.52809795007623 2020 -10.27770260262109 2021 6.539272006188668 2022 -1.3128073629346488 2023 5.674814313481733