Year annual % 1991 96.22968079674517 1992 887.5717224962443 1993 973.2776169907627 1994 269.7263027679984 1995 139.9812430981841 1996 43.03027050092271 1997 17.735994494583693 1998 10.860123282567265 1999 18.14272250393109 2000 25.31314312051054 2001 10.178674256282072 2002 5.52848268747924 2003 8.242556978836703 2004 8.278531612370791 2005 7.531862620093641 2006 10.356769943969105 2007 11.962066968935261 2008 10.81924049023467 2009 3.7855516158771962 2010 7.009283602597407 2011 8.200847093306507 2012 4.785569810667539 2013 3.1751881360427205 2014 2.3091824299097397 2015 2.2195729326273295 2016 2.844222698026428 2017 4.813120484223262 2018 3.447445115892563 2019 3.6586839501312056 2020 2.4484161332158436 2021 6.900513657871571 2022 12.355322150880468 2023 7.510536601552431