Year	Number
1996	53.5
1998	55.2238807678223
2000	53.7313423156738
2002	58.7064666748047
2003	56.2189064025879
2004	45.6730766296387
2005	43.75
2006	51.4423065185547
2007	50
2008	52.8846168518066
2009	54.9763031005859
2010	54.028434753418
2011	52.1126747131348
2012	50.7042236328125
2013	51.6431922912598
2014	55.1724128723145
2015	54.679801940918
2016	56.1576347351074
2017	57.6354675292969
2018	50
2019	57.487922668457
2020	57.0048294067383
2021	58.4541053771973
2022	58.4541053771973