Year	Number
1996	71.2765960693359
1998	62.7659568786621
2000	69.8412704467773
2002	32.8042335510254
2003	47.2361793518066
2004	39.8058242797852
2005	57.7669906616211
2006	57.487922668457
2007	61.835750579834
2008	55.288459777832
2009	50.7108993530273
2010	54.502368927002
2011	63.5071105957031
2012	61.6113739013672
2013	61.1374397277832
2014	58.0952377319336
2015	57.6190490722656
2016	63.8095245361328
2017	63.8095245361328
2018	57.0754699707031
2019	56.6037750244141
2020	56.6037750244141
2021	58.0188674926758
2022	56.6037750244141