Year annual % 1976 7.10957583547553 1977 17.5379384484612 1978 9.58437912111287 1979 5.46001552795044 1980 22.3933889164965 1981 14.8992481203003 1982 10.8378703800655 1983 9.81355311787775 1984 0.106451612903717 1985 16.765 1986 21.6738748768894 1987 4.68598778792504 1988 9.92402339810402 1989 4.07364364792932 1990 9.70986384562655 1991 10.5954493994793 1992 7.93698012192874 1993 0.960904460459173 1994 1.01295206694856 1995 1.46000630350972 1996 2.99528023991143 1997 2.12473132408038 1998 3.27444554260464 1999 4.46435467675891 2000 6.32763551411155 2001 8.2902831885033 2002 10.3590607918507 2003 11.6386219580735 2004 10.9734053679554 2005 8.66569221131751 2006 6.14911606456575 2007 5.84224874901387 2008 10.4469875128222 2009 1.42685972070534 2010 3.53491239189831 2011 6.27075302995691 2012 1.14753853706055 2013 0.77562932236742 2014 2.51087633253706 2015 -1.05399831971283 2016 2.57815515245081 2017 7.51706283551115 2018 5.03209691984874 2019 1.17954334821808 2020 -0.349737696727496 2021 5.64051140636751 2022 10.9713652903022 2023 6.35112980255189