Year	Number
1996	70.5
1998	67.6616897583008
2000	71.6417922973633
2002	70.1492538452148
2003	70.6467666625977
2004	70.6730804443359
2005	67.788459777832
2006	68.2692337036133
2007	66.3461532592773
2008	65.3846130371094
2009	63.5071105957031
2010	59.7156410217285
2011	59.6244125366211
2012	59.1549301147461
2013	60.0938949584961
2014	69.9507369995117
2015	71.4285736083984
2016	71.4285736083984
2017	72.9064025878906
2018	72.8155364990234
2019	71.9806747436523
2020	71.4975814819336
2021	70.0483093261719
2022	78.7439651489258