Year annual % 1962 -2.346607445024972 1963 3.31096996153461 1964 1.5987104542863904 1965 1.16754671114046 1966 -1.8035443739235149 1967 1.8388755588610621 1968 12.098373535325365 1969 1.298485201173932 1970 12.508470396291173 1971 1.4984526962857956 1972 8.966860023888287 1973 12.74859449255726 1974 24.378742627679344 1975 5.35029466941981 1976 9.975573151795032 1977 14.691083615837968 1978 10.917885805468813 1979 15.397296065916066 1980 19.97751200604641 1981 20.885301332364833 1982 12.101060360545063 1983 16.906830272525923 1984 20.300515888101216 1985 0.5839055594935729 1986 5.917284932749922 1987 7.751491594081372 1988 10.117034033173567 1989 10.92315725677311 1990 20.063275288455173 1991 10.624023164388461 1992 9.40370611580596 1993 9.88439431062804 1994 9.770584820075044 1995 9.303439627852299 1996 10.817455797097494 1997 8.92446881960332 1998 9.214160125981223 1999 4.162701158847625 2000 7.277430209324763 2001 13.66480016244293 2002 8.11157025730627 2003 8.748664397561228 2004 8.801492461315632 2005 10.41872675165159 2006 11.277029447260077 2007 14.028442824711206 2008 16.327016024828083 2009 5.879882635866224 2010 26.934876176157303 2011 3.979929342931854 2012 10.46344717678582 2013 6.252885259167272 2014 1.9206288110165275 2015 3.0143807983594115 2016 5.443221715260776 2017 5.472845294704015 2018 4.29530620201848 2019 3.8705276117724026 2020 3.1043075965441886 2021 8.021089927472985 2022 47.46369579635342 2023 17.5191917312673