Year annual % 1976 16.097729675231662 1977 8.83933947698874 1978 4.201085994322824 1979 8.562198924204694 1980 -1.7242225376852787 1981 -6.320848763951574 1982 -0.3937291931350444 1983 0.31860475216551265 1984 2.5007243314711047 1985 -0.48356273569648067 1986 0.9992785686495012 1987 4.952666867881732 1988 2.533084231545388 1989 0.9519840268719122 1990 2.762494190550214 1991 -1.0085412511452745 1992 -1.3091289982614427 1993 1.9759004459547072 1994 1.6667057894194386 1995 3.876713840709826 1996 2.5736417513594176 1997 3.3437222922735543 1998 3.2305358180585273 1999 1.1727867570628945 2000 5.454029277619128 2001 1.8407322548771106 2002 2.0460033220399083 2003 3.1355402960059138 2004 3.3872357856805593 2005 3.2543198077295727 2006 4.659604342731583 2007 4.592022072862861 2008 0.3855792623272123 2009 -5.092390597567473 2010 1.431450843438185 2011 2.0788033000457062 2012 0.5840307895167456 2013 0.45600834230408793 2014 1.0311710201965383 2015 1.9235781541055132 2016 2.5138935491880545 2017 3.349668261297083 2018 2.6794934901615903 2019 2.986863766221319 2020 -6.411469012301964 2021 5.892710064445879 2022 3.4159433779520327 2023 1.4334395507954412