Year	Number
1996	39.6984939575195
1998	43
2000	40.7960205078125
2002	42.7860679626465
2003	42.7860679626465
2004	42.3076934814453
2005	39.2344512939453
2006	52.1531105041504
2007	46.8899536132813
2008	49.038459777832
2009	49.2891006469727
2010	46.9194297790527
2011	51.1737098693848
2012	51.1737098693848
2013	51.1737098693848
2015	71.9047622680664
2016	73.8095245361328
2017	75.7142868041992
2018	75.7142868041992
2019	73.8095245361328
2020	67.1428604125977
2021	69.0476226806641
2022	75