Year	Number
1996	44.1489372253418
1998	32.9787216186523
2000	38.0952377319336
2002	32.2751312255859
2003	28.6432151794434
2004	31.5533981323242
2005	30.0970878601074
2006	27.5362319946289
2007	28.019323348999
2008	29.3269233703613
2009	30.8056869506836
2010	25.5924167633057
2011	27.962085723877
2012	27.962085723877
2013	26.5402851104736
2014	28.5714282989502
2015	26.1904754638672
2016	26.6666660308838
2017	38.5714302062988
2018	36.3207550048828
2019	38.2075462341309
2020	27.8301887512207
2021	28.301887512207
2022	28.301887512207