Year annual % 1980 17.7366548046812 1981 10.476363196689 1982 5.92722298201993 1983 2.29153537034707 1984 2.71490470548818 1985 2.61954629955699 1986 -0.00668553372426752 1987 0.96301264865157 1988 0.232525033997813 1989 5.16996495562573 1990 4.01098407755617 1991 4.3237394435542 1992 2.85844672514458 1993 1.79486146433782 1994 1.44226958804943 1995 2.9568002509262 1996 2.08657385169121 1997 8.90518339116016 1998 3.44635865955273 1999 3.36303630363045 2000 2.14885532743696 2001 2.30344748349255 2002 2.04109102620208 2003 2.23543664374553 2004 2.31455462238093 2005 3.37781903988238 2006 8.48748575845879 2007 4.48088608614726 2008 5.30029675072584 2009 2.05793709041836 2010 0.850878649795844 2011 5.8351651957086 2012 0.816089281562459 2013 1.10698554000129 2014 0.247865392364942 2015 -2.30187563045616 2016 -0.687037123294039 2017 0.694916711613604 2018 -1.03712214131572 2019 -0.329562063663977 2020 -1.16724501769353 2021 1.195688870384 2022 2.66817533111249 2023 3.55711230848243