Year	Number
1996	0.524631857872009
1998	0.429658591747284
2000	0.428785473108292
2002	0.893210649490356
2003	1.05018544197083
2004	0.766004860401154
2005	0.779100298881531
2006	0.870995998382568
2007	0.817851543426514
2008	0.746765077114105
2009	0.631581246852875
2010	0.715260624885559
2011	0.671200335025787
2012	0.786209881305695
2013	0.964532315731049
2014	0.742136418819427
2015	0.749750256538391
2016	0.8147212266922
2017	0.765564739704132
2018	0.729063928127289
2019	0.770523190498352
2020	0.921403408050537
2021	0.809718430042267
2022	0.653739511966705