Year annual % 1994 1877.37239517571 1995 176.15529894237 1996 39.1825423654111 1997 17.4080410607357 1998 7.14632665452335 1999 8.29602765342565 2000 13.1808905865732 2001 8.35413777161338 2002 5.83692452105644 2003 6.43821810118941 2004 6.882054389819 2005 7.57999929125768 2006 8.72169386091733 2007 10.8468362075557 2008 17.139899777207 2009 7.31607858288579 2010 7.40046356341398 2011 8.452904661768 2012 5.19568369035072 2013 5.94283871648418 2014 6.84944977003349 2015 6.67828585615244 2016 14.3610942386247 2017 7.44266321306792 2018 6.16366247577751 2019 5.33356098916669 2020 6.71815454861464 2021 8.04147134028396 2022 15.0278644440851 2023 14.7249900200331