Year	Number
1996	67.5531921386719
1998	63.8297882080078
2000	32.8042335510254
2002	63.4920616149902
2003	57.7889442443848
2004	47.5728149414063
2005	48.5436897277832
2006	49.7584533691406
2007	50.2415466308594
2008	50.480770111084
2009	56.8720397949219
2010	54.028434753418
2011	53.554500579834
2012	48.8151664733887
2013	54.028434753418
2014	48.5714302062988
2015	54.2857131958008
2016	55.238094329834
2017	48.5714302062988
2018	49.0566024780273
2019	63.6792449951172
2020	62.7358474731445
2021	64.1509399414063
2022	60.8490562438965