Year	Number
1996	17.5531921386719
1998	7.97872352600098
2000	13.2275133132935
2002	46.0317459106445
2003	29.1457290649414
2004	44.6601943969727
2005	47.5728149414063
2006	52.6570053100586
2007	59.4202880859375
2008	52.8846168518066
2009	50.7108993530273
2010	52.1327018737793
2011	54.9763031005859
2012	48.8151664733887
2013	54.502368927002
2014	54.2857131958008
2015	54.2857131958008
2016	52.3809509277344
2017	58.5714302062988
2018	55.6603775024414
2019	58.0188674926758
2020	49.5283012390137
2021	55.6603775024414
2022	54.2452812194824