Year annual % 1961 6.160509897212622 1962 9.690717290658098 1963 8.759419507776514 1964 7.217536149702298 1965 6.242459300884224 1966 9.497215394667249 1967 12.746671970676404 1968 11.599188497838934 1969 5.400614245065715 1970 5.923061266028903 1971 10.178405275294308 1972 12.926381494400587 1973 13.748760384321503 1974 9.691573290647153 1975 11.652920559225526 1976 5.046532660384514 1977 9.087727873623871 1978 17.385371318007078 1979 17.117711103110537 1980 12.204354041821912 1981 13.29607795238849 1982 8.019869768564595 1983 7.2137921361935184 1984 8.483351278465936 1985 3.292906337685226 1986 13.642547650584827 1987 5.964464498081778 1988 7.582169689964391 1989 10.960905278480574 1990 0.7743112331351484 1991 4.1540814760975655 1992 3.2773176763273093 1993 4.16726696441435 1994 0.6948584073856368 1995 3.0914128032591215 1996 8.863162775329222 1997 1.1232695981661505 1998 -0.4365469823553688 1999 8.514070382301101 2000 1.9204853639165176 2001 22.428682123681767 2002 8.257570928782592 2003 4.41188177928152 2004 3.369756695751349 2005 16.4819325245292 2006 15.021530002163555 2007 18.58977814531178 2008 2.7190685879586867 2009 0.5050980584160569 2010 3.502975121213413 2011 6.648639719775259 2012 3.3689260691505907 2013 3.815993543402637 2014 4.177405795531204 2015 6.648328352736342 2016 8.846852932561392 2017 10.06391823906363 2018 3.8182269207516786 2019 7.056509363475934 2020 18.133666204691828 2021 10.447531552070673 2022 2.728657593471298 2023 -1.2947766023276746