Year annual % 1993 1076.7679092155183 1994 740.3584618585749 1995 64.28557404816961 1996 35.07873171203986 1997 29.20044386519201 1998 36.71365625519566 1999 13.970511402909866 2000 38.55394702260702 2001 4.28480302261725 2002 33.97685291386084 2003 10.350742935087549 2004 22.293198851859806 2005 27.841208569488767 2006 32.87709664807258 2007 42.32875386298985 2008 2.3786350218632357 2009 15.146123885824684 2010 11.827849613432713 2011 23.655416685467983 2012 19.466810764170454 2013 14.781103100938944 2014 8.336055799678395 2015 10.839885076372012 2016 17.482650235211654 2017 18.470970875815357 2018 7.445920802871853 2019 11.18408794583178 2020 8.963765501607009 2021 13.104195137042431 2022 16.10386614372009 2023 17.371458610367185