Year annual % 1962 7.497281780743847 1963 2.0431485918154664 1964 3.6281720259464123 1965 3.6863714476617275 1966 3.3714269860262362 1967 1.097204893540976 1968 5.192523104448355 1969 3.234273793941682 1970 -0.7092504730756986 1971 1.7244181145145632 1972 -1.478519889876182 1973 2.2765749935749255 1974 5.707348943583938 1975 0.46636925352842695 1976 3.9027376742570112 1977 2.0868030695696262 1978 1.631525489897868 1979 1.9060427428567124 1980 2.080640328935317 1981 2.4633601481369567 1982 1.0782296528055468 1983 1.6678850075919627 1984 2.3367556995140575 1985 1.673453276466688 1986 3.423422322780368 1987 4.201807329660824 1988 2.7510641272245238 1989 1.761043499441513 1990 0.026744341036021524 1991 1.758897315154286 1992 0.44887827529510105 1993 -0.23433966356890323 1994 0.7550553185025564 1995 5.821499546356648 1996 5.6143322534068005 1997 5.394690841388197 1998 4.032446046759517 1999 4.077333323082556 2000 4.347244037655159 2001 4.885604350444424 2002 5.278264061723803 2003 4.99113156668713 2004 6.3808832024263324 2005 7.425536613357437 2006 6.8715646988529215 2007 7.265627055647656 2008 6.444922780392346 2009 4.258714811567032 2010 6.2384348797125 2011 3.2084538781142413 2012 3.147317265217879 2013 5.701096755001231 2014 5.615400548231435 2015 2.683764303057117 2016 3.6743669138908643 2017 4.478174655949502 2018 4.557900801393643 2019 5.0060659474110025 2020 -0.06707583008862628 2021 2.7721755349801214 2022 4.63041795567753 2023 3.7188783895407767