Year annual % 1971 3.1908481914218356 1972 7.4505302736700685 1973 7.274047931201636 1974 -1.4062355316534934 1975 3.076749625016035 1976 1.8090738905826669 1977 3.03949027339047 1978 4.297356400034857 1979 5.59166042858439 1980 0.2740865893476183 1981 1.7776942331699956 1982 3.9380828593372144 1983 2.6614290249548986 1984 2.482737265758473 1985 3.4505554265347342 1986 3.126152868850184 1987 3.8730708398905875 1988 4.708986188776819 1989 4.505663340957298 1990 4.4201952668547335 1991 1.8189695381695827 1992 1.8962416462005507 1993 0.7501253022895327 1994 1.9993426324395074 1995 2.2221836050872383 1996 1.7271937310914325 1997 0.31515696144926153 1998 -0.9164311707067156 1999 0.8833680071579977 2000 1.370273503037751 2001 1.8050591197649624 2002 1.0534081350576798 2003 0.4190139879133028 2004 1.2874715139233928 2005 1.521115614941209 2006 0.864440102218353 2007 0.639462286327614 2008 -1.1810431548217508 2009 -0.9027147433326377 2010 2.312086678258396 2011 -0.3400620771102041 2012 2.1916463486465716 2013 2.7542711054912274 2014 -0.7750080129777359 2015 -0.11083089125284573 2016 -0.37574211619937614 2017 1.1351667617679198 2018 0.35803633172173477 2019 -0.48402059241948336 2020 -4.1639294887668825 2021 1.2476564834658745 2022 2.6090445865493734