Year	Number
1996	3.76344084739685
1998	3.74331545829773
2000	5.31914901733398
2002	3.17460322380066
2003	5.8201060295105
2004	8.3743839263916
2005	7.80487823486328
2006	2.92682933807373
2007	3.88349509239197
2008	4.36893224716187
2009	0.956937789916992
2010	0.952380955219269
2011	0.947867274284363
2012	0
2013	0
2014	0
2015	0
2016	0
2017	0
2018	0
2019	0
2020	0
2021	0
2022	0