Year annual % 1990 16.2490856973604 1991 96.1028654623426 1992 1768.23262154427 1993 3333.58542243342 1994 952.995953408471 1995 415.809881576547 1996 66.1456615578695 1997 18.0737954563027 1998 12.0120177685888 1999 27.3999267140709 2000 27.5014120289019 2001 10.200915874305 2002 5.25374127819229 2003 8.16433975330762 2004 15.3107362837374 2005 24.0960586139239 2006 14.85249547084 2007 22.8423440433556 2008 29.0201144092657 2009 12.6299289738027 2010 13.6732282073329 2011 14.1819086626365 2012 7.98256111045039 2013 4.30879343709354 2014 15.901737523474 2015 38.8816797599977 2016 17.0971349238438 2017 22.0983174978017 2018 15.3985303514156 2019 8.24622626642469 2020 10.2949442779935 2021 24.8047508277652 2022 34.9152972224825 2023 18.5078370839169