Year annual % 1991 110.37670525984771 1992 1030.7768106265007 1993 1058.714497747502 1994 1945.7486042475039 1995 661.5040771205366 1996 53.71432734687059 1997 71.6495747331926 1998 76.58044645420233 1999 316.7934348251997 2000 185.290760909447 2001 79.53457244684932 2002 44.89373883619635 2003 30.685321560365452 2004 22.675122504115052 2005 18.972160529637947 2006 10.748615735072349 2007 12.872702229720346 2008 21.213536135152395 2009 9.258661903640018 2010 11.290474719025866 2011 71.03882152397605 2012 75.27736917758244 2013 21.257295694250658 2014 18.1049633990999 2015 16.023239333096527 2016 8.341004502797091 2017 8.623535045221416 2018 12.139236675870933 2019 8.576908509215158 2020 11.877879107695861 2021 15.326415184410507 2022 14.884680385365016 2023 7.3682305357122715