Year annual % 1965 8.410756883683376 1966 6.940415430416309 1967 4.836621898862134 1968 4.868497588978869 1969 9.289499032417183 1970 7.984962840898845 1971 6.547200873704952 1972 5.429020536258534 1973 5.2974272191083145 1974 2.564907843291735 1975 -0.9777539364246906 1976 -3.015746190677106 1977 11.868976615389386 1978 5.206719940891432 1979 6.7386632048927595 1980 2.8469030690470447 1981 1.0815057881000456 1982 -2.145265892234079 1983 -2.9649772866543174 1984 3.7305519614937737 1985 2.9856699734069707 1986 3.486945916396664 1987 4.158467102272596 1988 4.308963215303734 1989 4.827232097793626 1990 -5.669231516602068 1991 2.8676183720850617 1992 1.726232868139249 1993 4.137377690581729 1994 2.9477935312679904 1995 7.324855633800098 1996 -1.5746470750829218 1997 4.952000148554973 1998 1.3097014733938863 1999 6.125611850684692 2000 4.263363523491719 2001 0.10823948278340367 2002 -0.38986617279323355 2003 -0.6162096669724946 2004 11.081199620155346 2005 -1.8425212136239537 2006 -0.6968440880015407 2007 0.445954446951788 2008 -3.282740319534156 2009 -3.7153800958817698 2010 -1.919754163567049 2011 -1.0992298174733435 2012 2.5858203139842146 2013 0.30485487139348777 2014 -1.2613247868639803 2015 -0.10518543128729618 2016 -0.7514983329078291 2017 -4.302836563536445 2018 -0.3388957976632838 2019 -1.6747570282211512 2020 2.129490456408419 2021 -5.791788904730126 2022 3.904736256959552 2023 3.78089804167449