Year	Number
1996	68.4782638549805
1998	67.9347839355469
2000	66.8478240966797
2002	70.8108139038086
2003	84.3243255615234
2004	93.532341003418
2005	82.8431396484375
2006	82.8431396484375
2007	76.6990280151367
2008	80.5825271606445
2009	86.1244049072266
2010	87.5598068237305
2011	88.6255950927734
2012	89.5734634399414
2013	89.5734634399414
2014	94.711540222168
2015	95.7142868041992
2016	95.7142868041992
2017	94.7619018554688
2018	92.3809509277344
2019	94.2857131958008
2020	96.1904754638672
2021	97.1428604125977
2022	97.6415100097656