Year annual % 1961 4.4700665155762636 1962 5.606054902821583 1963 5.053301331206697 1964 6.379634021295573 1965 5.519607600243347 1966 5.521620351994244 1967 3.820771709323381 1968 5.894640909003755 1969 5.616815601740456 1970 3.0190439132242517 1971 3.97115024848911 1972 5.541985135210112 1973 6.322801964439947 1974 1.153830961951229 1975 -0.19991820389138582 1976 5.004563981518089 1977 3.904251571560735 1978 4.1735987031897395 1979 4.1011743273237045 1980 1.2933309529873611 1981 1.930518357746891 1982 -0.2502836186504993 1983 2.8021918114450983 1984 4.6809891039492015 1985 3.54037088172538 1986 3.276278498101533 1987 3.5145760342551995 1988 4.71065479131974 1989 3.870009594275075 1990 2.6827350642612657 1991 0.9028655223865485 1992 1.5080973337131098 1993 1.0555369198660856 1994 2.8826906636511467 1995 2.7101358051835973 1996 2.8964084406818813 1997 3.477611925726791 1998 2.7334365232335642 1999 3.524728429533667 2000 4.259076223242573 2001 1.5830359809930314 2002 1.6205401773924848 2003 2.3052217806045547 2004 3.5133888516189558 2005 2.9745387366886433 2006 3.220287289700792 2007 2.8566724734956352 2008 0.6758850631075148 2009 -3.3785283374803328 2010 3.048340175034255 2011 2.0178517058938183 2012 1.4728881055939809 2013 1.5979570735669313 2014 2.1417681647490667 2015 2.325526275130315 2016 1.8330409085689041 2017 2.4763184102575337 2018 2.3699944440852363 2019 1.8458270652226076 2020 -3.9146692605648354 2021 5.5843681558227445 2022 2.641586105366528 2023 1.6441603420253728