Year Number 1996 1.50753772258759 1998 2 2000 2.98507452011108 2002 3.48258709907532 2003 0 2004 2.88461542129517 2005 0.478468894958496 2006 0.478468894958496 2007 1.43540668487549 2008 0.480769217014313 2009 0.947867274284363 2010 0.947867274284363 2011 0.938967108726501 2012 0.469483554363251 2013 0.938967108726501 2014 4.32692289352417 2015 4.2857141494751 2016 2.85714292526245 2017 5.2380952835083 2018 5.2380952835083 2019 5.2380952835083 2020 4.7619047164917 2021 4.7619047164917 2022 5.18867921829224