Year annual % 1962 -5.6007948502159906 1963 -11.788435219303665 1964 -5.902753075410189 1965 -4.020634102178093 1966 1.3696106450352659 1967 -2.2511419616117507 1968 7.554721695388579 1969 1.9739758221247712 1970 1.9272871050192606 1971 7.687702720319777 1972 14.686184620691847 1973 -3.263935339799417 1974 5.196968047848486 1975 4.259300348288193 1976 4.949368590118027 1977 0.648423002026945 1978 3.681866353028255 1979 3.8882150774513207 1980 4.773913878091875 1981 2.9185773036650886 1982 -2.9531743103189996 1983 2.0792587911926006 1984 3.019291899086511 1985 2.8655815652343932 1986 -4.007364017289532 1987 4.007474839581263 1988 -2.3399298175313703 1989 -0.5652654056828368 1990 5.601188219216624 1991 1.7014614725515713 1992 5.605081336314015 1993 0.20192951011866 1994 1.3054975640865791 1995 0.6892058029825137 1996 5.595814179998371 1997 4.035519939432561 1998 3.4930697568672286 1999 4.8528165917752375 2000 3.5960268982116332 2001 2.739037345939593 2002 0.3244639733894559 2003 3.683117806606532 2004 5.219832542783578 2005 2.5290278413724963 2006 4.288249564702355 2007 5.732862741774753 2008 3.261953407039897 2009 2.0485693020586524 2010 1.9262204389345072 2011 -3.2671301833853335 2012 2.8936817667810146 2013 1.2887179880154633 2014 1.9297650492554794 2015 -0.15775275653859921 2016 0.010796317093024754 2017 1.1491430479933626 2018 1.5791793858699066 2019 0.6075482165898336 2020 -9.436698358700028 2021 3.7417359201736815 2022 1.8302779171987424 2023 -0.3994109518735627