Year annual % 1961 -3.314590722753181 1962 0.024968847283517448 1963 -0.262122325247077 1964 0.3902482230957389 1965 -3.2812936110289996 1966 -0.7475663800317989 1967 -2.1582753804270567 1968 4.990046297931116 1969 1.0193856765073264 1970 3.5683786789767 1971 2.1310167221266596 1972 -4.764177123064258 1973 -5.609589120766827 1974 -5.9340432326076495 1975 -2.727931853105815 1976 -8.056075744343133 1977 1.5034647447558172 1978 -5.039542774466298 1979 8.646504252381845 1980 -3.041680982505241 1981 -11.242542962705286 1982 -4.427609289317488 1983 -7.060730918719173 1984 2.695251456607778 1985 1.1450569264260366 1986 -4.4080424393158495 1987 -7.343460979615571 1988 -1.8941258890977792 1989 -10.054067812612061 1990 13.614464292732961 1991 -9.460597635478223 1992 -2.3014697009058693 1993 1.14527631349155 1994 -3.0584025267832686 1995 -2.0448217205289865 1996 -1.1750000730121712 1997 1.362633486630088 1998 2.7582878003636466 1999 0.9836567172241786 2000 0.46056941733220924 2001 -2.191581706918612 2002 -2.3564777457043107 2003 6.20885948747852 2004 2.2252573539959712 2005 -2.985381585925367 2006 -1.0662062617127646 2007 -9.09139555084964 2008 3.089070480000558 2009 -0.4033363049037604 2010 1.6259552731379188 2011 -0.5204880001456189 2012 0.26479346726853237 2013 3.925339272993611 2014 -5.125214314246534 2015 0.35312354200762286 2016 1.1041896409450942 2017 -1.429477504269542 2018 1.0779003288664057 2019 0.4471188414296705 2020 -0.3313009504972513 2021 0.5451100199590968 2022 0.09061689812170926 2023 0.08663221701776536