Year	Number
1996	44.0217399597168
1998	50
2000	58.152172088623
2002	53.5135116577148
2003	52.972972869873
2004	47.7611923217773
2005	43.1372566223145
2006	49.5098037719727
2007	50
2008	48.5436897277832
2009	49.7607650756836
2010	46.8899536132813
2011	52.1327018737793
2012	54.028434753418
2013	51.6587677001953
2014	48.0769233703613
2015	43.8095245361328
2016	42.8571434020996
2017	43.3333320617676
2018	36.6666679382324
2019	35.238094329834
2020	36.1904754638672
2021	30.4761905670166
2022	36.3207550048828