Year	Number
1996	25.6830596923828
1998	16.9398899078369
2000	6.01092910766602
2002	3.78378367424011
2003	2.70270276069641
2004	0.995024859905243
2005	3.43137264251709
2006	0.97560977935791
2007	1.94174754619598
2008	1.45631062984467
2009	1.43540668487549
2010	2.39234447479248
2011	2.36966824531555
2012	6.16113758087158
2013	7.5829381942749
2014	17.3076915740967
2015	18.5714282989502
2016	18.5714282989502
2017	21.9047622680664
2018	23.8095245361328
2019	31.9047622680664
2020	9.0476188659668
2021	10.4761905670166
2022	8.96226406097412