Year	Number
1996	78.8944702148438
1998	72
2000	73.6318435668945
2002	70.6467666625977
2003	73.1343307495117
2004	74.038459777832
2005	68.8995208740234
2006	66.5071792602539
2007	70.3349304199219
2008	77.8846130371094
2009	73.459716796875
2010	73.459716796875
2011	69.0140838623047
2012	71.8309860229492
2013	71.8309860229492
2014	76.4423065185547
2015	71.9047622680664
2016	74.7619018554688
2017	75.2380981445313
2018	75.2380981445313
2019	77.6190490722656
2020	76.6666641235352
2021	72.8571395874023
2022	78.301887512207