Year annual % 1961 5.1723325164351905 1962 2.7924492307229087 1963 4.135109417021752 1964 3.2826998374001732 1965 1.5526122055260885 1966 0.4914480247254005 1967 5.288202199515467 1968 7.757572724075118 1969 5.24657311889942 1970 1.8065436622728868 1971 2.2664458569363006 1972 4.918856753608054 1973 3.055224133902641 1974 2.547206283688979 1975 3.9324427645988322 1976 -0.12389877614185707 1977 6.755714113401183 1978 5.676692451219864 1979 1.708912946634996 1980 1.8998729585113239 1981 2.1222982034730222 1982 1.3210228018885886 1983 -0.9490081526903396 1984 3.7096800570865014 1985 2.920734911099899 1986 -0.4735637209310539 1987 4.652241616479458 1988 5.668376741145224 1989 6.234040738906714 1990 8.375006542612297 1991 1.3452988221331452 1992 2.640607330413445 1993 2.1805910453784634 1994 5.339771226459831 1995 9.073769805752477 1996 6.533313752734799 1997 9.91398569714596 1998 7.637503874559727 1999 9.290880149906315 2000 7.954806483964674 2001 3.6424699966609637 2002 4.12975548131233 2003 1.349387130048214 2004 4.853457577453327 2005 3.4609405935786413 2006 2.1951896902739634 2007 2.3092310460373113 2008 -6.411645969908818 2009 -6.054811966286479 2010 1.1304241269157984 2011 0.8400562201771606 2012 -0.5519909874533937 2013 0.643273342903683 2014 8.03635788585953 2015 23.304693444522655 2016 0.6232521006147778 2017 8.127668761722944 2018 7.1347733970954295 2019 3.867450638631894 2020 5.525612348186584 2021 14.03228635343956 2022 7.4265817783361285 2023 -5.686002918482089