Year annual % 1961 4.604089206071359 1962 4.6845327576617874 1963 4.717401940715352 1964 4.754569396135288 1965 4.789267751843227 1966 4.8203695858898845 1967 4.841091739512502 1968 4.8614674142475245 1969 4.887109835126271 1970 4.9114415901159045 1971 4.344251211929944 1972 4.202044928733864 1973 4.146020842977903 1974 4.130247338648403 1975 4.152736043198836 1976 4.156633303480445 1977 4.148775385887632 1978 4.15791473154517 1979 4.148247284886638 1980 4.11964961833602 1981 4.070524589980917 1982 3.7702308142371757 1983 3.7961897396636903 1984 3.9110680094570527 1985 3.8863790988481264 1986 3.8529971039941517 1987 3.798280443773055 1988 3.7140303890459534 1989 3.604912590053602 1990 3.4937642186881694 1991 3.3880058804746414 1992 3.3072890818236536 1993 3.2728447912482395 1994 3.2292913967209236 1995 3.4493326610301507 1996 3.4589296296068084 1997 3.377271366368179 1998 3.314736067410564 1999 3.267993867465861 2000 3.2368722572086805 2001 3.248637417114846 2002 3.274437475607048 2003 3.2670627462528268 2004 3.3397092066766048 2005 3.405903172444389 2006 5.138976174248508 2007 7.007557470285322 2008 4.322216035292214 2009 2.28873434714227 2010 2.9662025967786234 2011 -0.10675048531240075 2012 -2.4479566406093802 2013 -6.968186984898622 2014 -8.830483012218071 2015 -3.126994421205598 2016 0.008044425995612297 2017 1.3515559822639305 2018 3.0571773832994067 2019 5.088914985224414 2020 4.48609199241886 2021 3.784692803182051 2022 4.829591848708287 2023 5.980716963660216