Year	Number
1996	0.717076897621155
1998	0.728511989116669
2000	0.486361712217331
2002	0.547456383705139
2003	0.672486364841461
2004	0.94515073299408
2005	0.829529404640198
2006	0.909698367118835
2007	0.787364065647125
2008	0.911906003952026
2009	0.665553092956543
2010	0.903117775917053
2011	1.13915860652924
2012	0.98058545589447
2013	1.11985623836517
2014	1.05717813968658
2015	1.05443203449249
2016	0.977663099765778
2017	1.1727751493454
2018	1.06885123252869
2019	1.02982354164124
2020	1.31699824333191
2021	1.33395910263062
2022	1.29823231697083