Year	Number
1996	0.537634432315826
1998	0
2000	0
2002	2.64550256729126
2003	5.8201060295105
2004	10.837438583374
2005	8.29268264770508
2006	9.26829242706299
2007	6.7961163520813
2008	3.88349509239197
2009	3.82775115966797
2010	11.9047622680664
2011	9.00473976135254
2012	2.84360194206238
2013	9.00473976135254
2014	11.057692527771
2015	10
2016	11.9047622680664
2017	11.9047622680664
2018	12.8571424484253
2019	15.7142858505249
2020	14.2857141494751
2021	18.0952377319336
2022	18.8679237365723