Year annual % 1961 4.6302571341074525 1962 4.794034517665182 1963 3.5743535407998195 1964 5.949139356304528 1965 2.6244446611205063 1966 2.4614624534384575 1967 3.291575741769364 1968 3.7850443643077796 1969 6.328283646559925 1970 6.247845513244215 1971 3.796488570216212 1972 4.884088239657586 1973 6.047488698608433 1974 4.23677749584877 1975 -2.248829645942095 1976 5.464140019100853 1977 0.5019787167398277 1978 2.7459897901395323 1979 2.2491275158490964 1980 4.329008275007723 1981 -0.2766534554769322 1982 0.6223290695706254 1983 0.3198122640934571 1984 2.467921562483184 1985 1.6215189754227026 1986 1.7864696558454511 1987 2.2194781156721177 1988 4.390795009780277 1989 3.093999125987267 1990 2.8302679750892565 1991 1.4553717259308172 1992 1.1195658601555607 1993 -1.3479997097210088 1994 2.9093187690796753 1995 2.1705502738405613 1996 1.123669018334823 1997 3.54278906412047 1998 1.7443238954726041 1999 3.305706513821832 2000 3.4654525713040414 2001 0.7524829095937093 2002 1.2519846063501205 2003 0.6158797803448692 2004 3.123928918395592 2005 1.7604555940757223 2006 1.8781831999730798 2007 2.9183383488137196 2008 -0.34345271809542055 2009 -2.8059207402515796 2010 1.9287641957029962 2011 0.3800345697961802 2012 0.11640257847660962 2013 -0.01314838609644653 2014 1.1285957247117153 2015 1.4518933675875587 2016 0.7552689191028463 2017 1.228866236169182 2018 1.3306522272452241 2019 1.6897536885610123 2020 -5.711729807523767 2021 6.488770412726595 2022 2.1365440757733722 2023 0.1923420451222171