Year annual % 1961 1.7251779556941251 1962 1.737583725391099 1963 1.7247670430429807 1964 1.7073614598248348 1965 1.6903398051702132 1966 0.9153435015267019 1967 0.08761817484675243 1968 -0.032271449268131025 1969 0.15434768144783928 1970 0.3676305781052087 1971 0.2199313601279234 1972 0.04804557558362402 1973 -0.19919641164366186 1974 -0.76150966732451 1975 -1.3695818232102526 1976 -1.5406516764700076 1977 -1.6469070917627848 1978 -1.6966085586666209 1979 -0.12545972789894733 1980 1.3569060949741762 1981 1.365093672407128 1982 1.3939662907763368 1983 1.428377925725717 1984 1.5023626539947634 1985 1.6878613699702374 1986 1.877024249537265 1987 1.9944555211360258 1988 2.008638868071213 1989 1.9774268960244903 1990 1.8244873166428563 1991 1.5219385699296426 1992 1.2305750926443595 1993 1.0777717005900056 1994 1.0253282921465074 1995 1.0573896840571564 1996 0.09452252365138747 1997 -0.43864380821909843 1998 -0.5281463122276633 1999 -0.6562908100249784 2000 -0.7099550946591147 2001 0.9937042943641329 2002 2.0099915463312126 2003 2.00230424322698 2004 1.983244222827287 2005 1.962723257641037 2006 1.0823140947017318 2007 0.39197570053511055 2008 0.37450235902440154 2009 0.37310507010820626 2010 0.27847806917449763 2011 0.10379010703823678 2012 -0.07211390791724527 2013 -0.1690557934418508 2014 -0.23645261673986945 2015 -0.24763871572106924 2016 -0.1967789177478457 2017 -0.174055173240057 2018 -0.15121194786938483 2019 -0.1015291805462666 2020 0.07838247484232086 2021 0.20635069138352108 2022 0.14383764810436456 2023 0.0709546984038566