Year annual % 1990 6.28991299918663 1991 99.6335110908983 1992 574.014511227964 1993 1207.2110489489 1994 263.011478064155 1995 294.530765618633 1996 430.412728198188 1997 65.2512001901191 1998 87.8763481550034 1999 26.5011437514061 2000 22.631873605948 2001 30.947706315931 2002 18.8197026147069 2003 27.0864689117309 2004 17.4315785210811 2005 9.51432466210065 2006 21.0624388683286 2007 27.2380030941036 2008 28.1634875601911 2009 12.1262014941935 2010 12.4616677349709 2011 13.3243555693147 2012 11.8685155888293 2013 3.63300945054496 2014 4.76666135833671 2015 6.86625094979701 2016 0.541389756844993 2017 9.80546714084267 2018 2.49222755648458 2019 3.65868395013121 2020 1.65596010469615 2021 10.0445095549154 2022 8.26227281475744 2023 2.18821998125314