Year annual % 1961 -2.5348832491521307 1962 4.664590097323057 1963 0.885410948724072 1964 0.8273695228295139 1965 1.2950865834311145 1966 1.2958806285190434 1967 -0.19101779443454348 1968 1.8269559956969061 1969 1.7548333361687867 1970 -2.6312973705981193 1971 1.7983957833383784 1972 -0.4947648147822292 1973 0.507936961496938 1974 2.3628630456941693 1975 -0.7214130322314247 1976 1.0706922813890003 1977 0.9000166702555674 1978 -0.28804808977365326 1979 -2.2117369072321935 1980 -1.7393994556522614 1981 0.6843745161217782 1982 -1.8778647012651817 1983 -2.341964082853636 1984 -1.4734760148865433 1985 -1.176183821449058 1986 0.43054040358742895 1987 0.572345560093666 1988 -1.3730130849924649 1989 -1.2142523433863488 1990 -3.621814792714744 1991 -2.1256607123258107 1992 -3.993103400280873 1993 -2.6285462423956574 1994 -3.0899920298907233 1995 2.053891318926844 1996 2.1850383615993536 1997 2.714807571647057 1998 0.7156149893648376 1999 0.31480637331367234 2000 0.16159113633602828 2001 0.8868873726092659 2002 0.8247320269045133 2003 0.844513668019303 2004 2.6999038737660186 2005 2.608595458600547 2006 2.860123876480472 2007 2.5627021582133978 2008 2.72942578356934 2009 0.8240606946040998 2010 3.1716380745990165 2011 1.5686660466732008 2012 1.0808378605717621 2013 2.701921504963039 2014 2.8505113397561956 2015 1.8593621508097726 2016 1.4804093845672384 2017 2.0003173079988983 2018 1.2716011728210788 2019 1.5404840705695761 2020 -2.510556166678356 2021 1.401360588016189 2022 2.055053606357788 2023 1.685697670206693