Year annual % 1990 10.6371987367347 1991 12.5319618961838 1992 18.8972340828787 1993 25.698483612532 1994 17.0164147872542 1995 11.2210708426678 1996 9.11624415951211 1997 11.4352163318294 1998 6.93140266888905 1999 4.19393904906435 2000 6.07984848923864 2001 1.57312029702597 2002 0.93320555589554 2003 6.19731323900996 2004 7.12684155505391 2005 4.89964972058961 2006 7.78674057130955 2007 8.12948559613378 2008 15.1511749642626 2009 11.6373037 2010 1.63919964802533 2011 10.0650129672316 2012 9.52297221154848 2013 7.3375622336044 2014 7.63503190149002 2015 9.23865468396285 2016 5.84962894648808 2017 7.58193402820181 2018 4.21502841459056 2019 4.2752342393575 2020 4.94885283291357 2021 4.3307475585662 2022 6.00876413290523 2023 6.60930535258659