Year annual % 1961 11.203890618762841 1962 10.156117218246166 1963 10.695723149720806 1964 7.937186422751807 1965 8.997947501845616 1966 -0.07964702403199908 1967 2.9950264634284594 1968 16.24195187970787 1969 13.565702156007234 1970 7.307335530165233 1971 10.951070973097757 1972 12.14655496403654 1973 5.58746370670049 1974 6.47616149247618 1975 3.242819342561077 1976 0.3225030610459356 1977 1.0352994101251198 1978 5.555087108823329 1979 6.2078159669926976 1980 1.6704415664073906 1981 5.339926998095976 1982 2.0824999337076804 1983 3.3591015910192397 1984 0.933213548560559 1985 4.036940422057796 1986 4.190144509317236 1987 7.139711264533389 1988 2.910016199098038 1989 0.5747470055916608 1990 7.315199051057817 1991 7.72611517261879 1992 7.759266167815042 1993 4.116756413292549 1994 7.427845172176546 1995 6.602924927445301 1996 5.928291132429919 1997 3.7904523502451326 1998 4.115555068596862 1999 3.330492528770151 2000 8.671655276991743 2001 0.3340706434410663 2002 -0.11422092790782301 2003 1.3939129640517365 2004 4.784467426258104 2005 4.134076618675536 2006 5.582667959324382 2007 6.033213570683699 2008 3.251163360790727 2009 0.8831203935653775 2010 5.668515117907333 2011 5.561139075890125 2012 2.587653843843455 2013 4.415501587379239 2014 3.9191268928095155 2015 2.485826288981059 2016 4.52168030880658 2017 4.276595951155926 2018 4.070321887439704 2019 4.156137988977335 2020 -1.8572892781124182 2021 8.611990348469888 2022 6.832886635720925 2023 1.9970399879932756