Year	Number
1996	57.9234962463379
1998	53.5519142150879
2000	53.5519142150879
2002	58.3783798217773
2003	54.5945930480957
2004	41.7910461425781
2005	38.235294342041
2006	40.4878044128418
2007	42.7184448242188
2008	38.3495140075684
2009	43.5406684875488
2010	41.1483268737793
2011	41.2322273254395
2012	31.7535552978516
2013	34.5971565246582
2014	44.711540222168
2015	35.7142868041992
2016	33.8095245361328
2017	28.5714282989502
2018	36.1904754638672
2019	30.4761905670166
2020	29.5238094329834
2021	36.1904754638672
2022	38.2075462341309