Year	Number
1996	40.5
1998	43.2835807800293
2000	34.3283576965332
2002	40.7960205078125
2003	44.2786064147949
2004	39.9038467407227
2005	32.6923065185547
2006	34.1346168518066
2007	34.1346168518066
2008	29.8076915740967
2009	29.8578205108643
2010	29.3838863372803
2011	26.2910804748535
2012	26.7605628967285
2013	28.1690139770508
2014	29.0640392303467
2015	28.5714282989502
2016	23.1527099609375
2017	22.660099029541
2018	13.1067962646484
2019	13.5265703201294
2020	13.043478012085
2021	8.69565200805664
2022	6.28019332885742