Year	Number
1996	65
1998	67.164176940918
2000	65.6716384887695
2002	69.1542282104492
2003	68.1592025756836
2004	68.2692337036133
2005	71.1538467407227
2006	70.1923065185547
2007	70.6730804443359
2008	70.6730804443359
2009	68.2464447021484
2010	69.6682434082031
2011	68.0751190185547
2012	68.0751190185547
2013	65.7276992797852
2014	69.9507369995117
2015	70.9359588623047
2016	69.4581298828125
2017	68.9655151367188
2018	67.9611663818359
2019	62.8019332885742
2020	60.8695640563965
2021	60.8695640563965
2022	59.4202880859375