Year	Number
1996	38.7096786499023
1998	36.3636360168457
2000	44.680850982666
2002	38.624340057373
2003	55.0264549255371
2004	50.2463035583496
2005	49.7560958862305
2006	55.6097564697266
2007	54.3689308166504
2008	53.3980598449707
2009	59.8086128234863
2010	59.0476188659668
2011	57.8199043273926
2012	53.554500579834
2013	54.502368927002
2014	52.8846168518066
2015	50.476188659668
2016	44.761905670166
2017	43.8095245361328
2018	41.9047622680664
2019	43.8095245361328
2020	43.3333320617676
2021	46.1904754638672
2022	40.0943412780762