Year annual % 1961 1.8764473715372674 1962 2.198191741453442 1963 0.16803033117565747 1964 3.002248834649251 1965 0.5612508670158007 1966 2.2404656167624353 1967 1.2679519314866496 1968 3.1156519728216665 1969 3.398160867540497 1970 3.6015842951613024 1971 3.484848983857745 1972 5.246907569911528 1973 4.348631666949672 1974 3.429511204703246 1975 0.11158903373242879 1976 2.497987075481902 1977 1.8961745026433192 1978 6.041905204373492 1979 3.0073463072639157 1980 1.7139442872063029 1981 -0.05147599343220577 1982 -1.3324779923683678 1983 -0.7338523636594658 1984 1.020971212810636 1985 0.8666999841331773 1986 3.585243957185199 1987 3.1552102072517556 1988 1.8878556572511798 1989 1.2553432690044275 1990 2.1123985008656803 1991 -0.05615138498755812 1992 2.0019521625600873 1993 3.3282368896094994 1994 3.773867156284581 1995 3.2293051710122285 1996 0.21025281689415465 1997 1.601503540912418 1998 -1.1595499285465536 1999 -5.794495363573034 2000 1.2710826265022206 2001 0.08848385260560576 2002 0.9426932737443252 2003 2.3904480417190825 2004 3.8393781661118567 2005 3.4068956475868077 2006 5.339723444228682 2007 5.422847618792929 2008 2.0842423630240745 2009 0.0016622794089613535 2010 3.3237345057119683 2011 5.784699765619877 2012 2.837889026219216 2013 4.098265908658874 2014 3.5139534791281903 2015 1.990616493633496 2016 1.0022727252118955 2017 -0.1619538749184386 2018 0.6384396159931072 2019 1.314952378424607 2020 -8.540395377254328 2021 9.541051559976935 2022 6.549560116106008 2023 0.2043174477986014