Year	Number
1996	57.5268821716309
1998	47.0588226318359
2000	45.2127647399902
2002	34.3915328979492
2003	40.2116394042969
2004	29.5566501617432
2005	20.9756088256836
2006	21.9512195587158
2007	21.8446598052979
2008	19.9029121398926
2009	19.1387557983398
2010	24.2857151031494
2011	24.1706161499023
2012	29.8578205108643
2013	28.9099521636963
2014	29.8076915740967
2015	28.0952377319336
2016	30.4761905670166
2017	28.5714282989502
2018	29.5238094329834
2019	26.1904754638672
2020	43.8095245361328
2021	34.761905670166
2022	39.1509437561035