Year	Number
1996	34.4086036682129
1998	36.8983955383301
2000	39.8936157226563
2002	52.9100532531738
2003	57.6719589233398
2004	42.3645324707031
2005	36.5853652954102
2006	25.8536586761475
2007	33.980583190918
2008	23.3009700775146
2009	31.5789470672607
2010	25.7142848968506
2011	29.3838863372803
2012	23.6966819763184
2013	21.8009471893311
2014	16.8269233703613
2015	17.619047164917
2016	25.238094329834
2017	24.2857151031494
2018	23.3333339691162
2019	21.9047622680664
2020	23.3333339691162
2021	21.9047622680664
2022	23.1132068634033