Year annual % 1990 26.188000659147 1991 226.537859856257 1992 59.5786493866893 1993 51.0910538964772 1994 72.7049682379488 1995 135.955619033173 1996 62.9662443201069 1997 913.213099580718 1998 33.9510285620481 1999 3.31913959417606 2000 7.38083746669133 2001 6.11773279178804 2002 3.84838024147479 2003 2.18941022702408 2004 5.58155742621396 2005 6.59425858739591 2006 6.75647428628594 2007 11.0514317081502 2008 8.10345623202093 2009 3.93801932553089 2010 0.76412999957472 2011 6.11282991673312 2012 1.11217894674517 2013 0.0719515178029013 2014 1.34078333993489 2015 2.94774587270894 2016 3.32355974481327 2017 4.81312048422326 2018 4.23460549792284 2019 5.23925655379578 2020 4.26010568588524 2021 7.13449171826458 2022 16.1819558948452 2023 7.51053660155243