Year annual % 1961 -5.7510270063247475 1962 2.9335123416812507 1963 2.040497493730811 1964 3.9819204687143213 1965 -0.07117524133803954 1966 -0.9964648528600861 1967 0.028386024742360405 1968 1.2244337391926479 1969 3.3552891079958442 1970 -1.318068170547221 1971 0.7658739099231724 1972 3.4899796443019824 1973 7.552798173118674 1974 20.128523683129657 1975 22.86596053811853 1976 -1.8982737745512992 1977 11.030222179461191 1978 1.6750379968336802 1979 9.911591144335034 1980 9.479524276455692 1981 1.2034272938126378 1982 4.602612511136101 1983 -2.8518532923357043 1984 5.267153275939648 1985 1.1854154030477275 1986 0.47289254001839254 1987 16.847056925055327 1988 8.957951870985468 1989 3.2700894017044106 1990 -0.16733370124306646 1991 5.544646680909864 1992 -1.0632183908044368 1993 7.076101468624827 1994 5.344360940651697 1995 6.510688445368487 1996 5.4655545753469 1997 -10.0088240342521 1998 -6.666701890452316 1999 0.9177515618490304 2000 53.81225787568161 2001 0.720025735561336 2002 -1.3927282142399378 2003 15.511491594054334 2004 16.858278125499297 2005 0.49001050060310547 2006 9.134881629816334 2007 12.017647138796605 2008 17.326345551449137 2009 -2.7228431411051304 2010 6.512003689056684 2011 10.923445358978242 2012 7.797157163659293 2013 4.715308132832547 2014 0.8179213267644343 2015 0.06271342555808701 2016 6.972956971539276 2017 -2.6179341529938682 2018 -0.20987279738781695 2019 -0.5604266340449016 2020 -1.3806006477977633 2021 5.354275317635441 2022 8.666207922172191 2023 3.4004389663505634