Year	Number
1996	56.8306007385254
1998	56.8306007385254
2000	57.9234962463379
2002	41.6216201782227
2003	38.9189186096191
2004	35.3233833312988
2005	34.8039207458496
2006	33.1707305908203
2007	48.0582542419434
2008	45.6310691833496
2009	48.8038291931152
2010	48.3253593444824
2011	48.8151664733887
2012	46.445499420166
2013	46.445499420166
2014	40.3846168518066
2015	35.238094329834
2016	33.8095245361328
2017	35.238094329834
2018	33.3333320617676
2019	34.761905670166
2020	33.8095245361328
2021	34.2857131958008
2022	32.5471687316895