Year annual % 1961 -0.03108289589800549 1962 -0.16186888163096033 1963 -0.28558598658650686 1964 -0.3821445896029637 1965 -0.7188845425226379 1966 -0.8118140917043851 1967 -0.8397887454136699 1968 -0.9366865304698866 1969 -1.0621169762777856 1970 -1.1202643129711898 1971 -0.9373432096315144 1972 -0.8453902180784342 1973 -0.9685688127505014 1974 -1.049994423396106 1975 -1.0483901456510765 1976 -1.1475391386750216 1977 -1.2457546266042474 1978 -1.3366977645004643 1979 -1.239560216018502 1980 -1.1152709131494183 1981 -1.1040580409098046 1982 -1.291052966165568 1983 -1.274032837693941 1984 -1.2714774287898218 1985 -1.3109822062576186 1986 -1.2942774584340242 1987 -1.2772780351036654 1988 -1.2357043200167708 1989 -0.46598115662988454 1990 0.11117895956053479 1991 0.0926397478923344 1992 0.1703261971911922 1993 -0.062451271618719544 1994 -0.6100707351922448 1995 -0.9080112104083709 1996 -1.0052729915490775 1997 -1.0295618763559948 1998 -1.0089243693895567 1999 -1.0612066149075565 2000 -1.1252151809677775 2001 -1.1666459029639002 2002 -1.254826571507584 2003 -1.2524843487584143 2004 -1.2818455611246449 2005 -1.330200521288075 2006 -1.2333386174058645 2007 -1.1541333082145682 2008 -1.1018845519726574 2009 -1.0042076408965737 2010 -0.6961361960226206 2011 -0.6561806388049165 2012 -0.544438087020006 2013 -0.5260440752345958 2014 -0.7785058825095675 2015 -0.53191088991765 2016 -0.5873094613649417 2017 -0.6489685468770626 2018 -0.7698970201917019 2019 -0.8802446144215992 2020 -1.0448128916974848 2021 -1.3063290168589674 2022 -14.853645643547623 2023 -3.2536299795539008