Year annual % 1961 7.7508755665852505 1962 10.805602132209941 1963 4.425164752500962 1964 6.265770807184467 1965 6.059576995160469 1966 7.8064724559501855 1967 3.614174725464437 1968 -0.3760869649335348 1969 3.4172570499104467 1970 4.362078387831161 1971 5.087688811603485 1972 3.485115399001387 1973 5.845948138565333 1974 9.818023487848876 1975 4.323030892374973 1976 0.4977088120455875 1977 2.3044231642933823 1978 -4.272217009229351 1979 2.3686238569790277 1980 6.981313258585175 1981 6.1306921825039495 1982 -0.23221862141330973 1983 -12.105720028714103 1984 3.3905542552035115 1985 2.8102417356175238 1986 8.210328794677608 1987 10.581848511365564 1988 -12.497094755736924 1989 -10.015448651441318 1990 -4.424375826949117 1991 6.044267155969351 1992 -0.9483279796073134 1993 4.849358493697764 1994 11.737526729530742 1995 7.003559722824605 1996 4.0924027304368735 1997 6.785109771236677 1998 0.5882318374658553 1999 1.48216180789467 2000 2.221085235267921 2001 1.2061544573916052 2002 4.930225631105898 2003 3.21249928470435 2004 3.053163118618002 2005 5.0330828485085135 2006 4.9804019998315425 2007 8.810001951051461 2008 10.31642278508427 2009 1.7792910103817263 2010 6.664765264136946 2011 6.004824348020449 2012 7.538801497701854 2013 7.315060188804097 2014 3.1224458590153574 2015 4.538547936662354 2016 3.1745129441443254 2017 1.9457275711392725 2018 3.607731760619771 2019 3.6954700466649513 2020 -10.053041772720519 2021 6.9431498541163705 2022 4.060609664309538 2023 1.2460321410910637