Year Number 1996 0.54347825050354 1998 0 2000 0 2002 0 2003 0 2004 0 2005 0 2006 0 2007 0 2008 0 2009 0 2010 0 2011 0 2012 0.947867274284363 2013 1.89573454856873 2014 3.36538457870483 2015 4.2857141494751 2016 10 2017 10.4761905670166 2018 11.9047622680664 2019 11.4285717010498 2020 14.7619047164917 2021 5.7142858505249 2022 4.24528312683105