Year annual % 1961 3.459004416919683 1962 6.266268808329627 1963 6.388615907588985 1964 8.098478154485832 1965 4.766529230097234 1966 5.109483880499738 1967 7.854637600091664 1968 5.057053872459633 1969 4.808273196993156 1970 3.75209363938977 1971 5.05461876259983 1972 3.6896378344445537 1973 9.05181503994767 1974 7.908434264334517 1975 -0.6068911034006845 1976 0.17485047861562464 1977 0.9228064139117151 1978 3.5706052922121216 1979 4.881861631094338 1980 8.698983452553193 1981 1.8240489427102489 1982 -1.736326423111052 1983 -1.5834415901167063 1984 6.0679545800785775 1985 -0.7826872261430822 1986 0.7512825445048463 1987 3.168182073162697 1988 3.6993775228069126 1989 1.1633784613544833 1990 -1.1674582935322348 1991 -0.7917928090013788 1992 -2.2344081324721543 1993 1.4615334267374038 1994 3.3958686753143894 1995 2.1148697341877494 1996 5.23593844083166 1997 2.323024812560547 1998 0.10188654575418354 1999 1.3609245069508518 2000 3.573327368332329 2001 2.5226651350518097 2002 4.900157801239132 2003 3.209814652857929 2004 5.7695419029622315 2005 5.624950428266445 2006 6.799769048017183 2007 4.780609085709699 2008 4.083587832747654 2009 0.9167124905530528 2010 4.601971487408974 2011 4.611955116797489 2012 0.9524895840615528 2013 2.0910870207009395 2014 0.8255001577980039 2015 1.9652721812505263 2016 0.8427803881549494 2017 2.0543784590887384 2018 1.0671923332935052 2019 1.6149681582534328 2020 -3.4380762088420624 2021 6.03760060248068 2022 0.2493045400209155 2023 -0.0478633485394937