Year annual % 1961 1.974447208831516 1962 2.0311335353734794 1963 2.067907681485636 1964 2.0899935441581605 1965 2.1044154075764827 1966 2.1014746623743705 1967 2.091634745623363 1968 2.3353848210588337 1969 2.3457773662636994 1970 2.37716447516269 1971 2.4101022133622245 1972 2.4252484470415654 1973 2.4339404193297702 1974 2.4377723274792107 1975 2.4326855956198106 1976 2.438157325771824 1977 2.458693202865501 1978 2.465157936638252 1979 2.4702237133252085 1980 2.4902441859308677 1981 2.512557774058919 1982 2.521340635266438 1983 2.5298346129365763 1984 2.4433815862410877 1985 1.9686520012894664 1986 1.9098583513480145 1987 1.83638549926477 1988 1.7653029821371315 1989 1.6475600731345 1990 1.4318749488006022 1991 -6.136445958398204 1992 -6.843579446500985 1993 2.1801090680327992 1994 2.0948053826038806 1995 4.489793877964752 1996 3.8240760436168015 1997 0.1650043869243956 1998 0.2725692065625765 1999 0.32738536708729593 2000 0.3791008277954353 2001 1.6552771739120664 2002 2.185018025876412 2003 2.807395600584649 2004 2.7441512678815054 2005 1.1042284888283613 2006 0.30204066578493843 2007 0.15527077338271178 2008 1.205892424202892 2009 1.6751121915763139 2010 1.14293605200128 2011 0.9596474654344838 2012 0.4538779127171454 2013 0.37815652381970877 2014 -0.15671247197123617 2015 -0.4942890481779893 2016 -0.25595698219464513 2017 -0.08932182106683764 2018 0.3716813413527661 2019 0.47892656791120103 2020 0.5405779795984336 2021 0.702400696496501 2022 0.6354498099356823 2023 0.6202477710314876