Year	Number
1996	1.28603911399841
1998	1.36909055709839
2000	1.39476406574249
2002	1.4370481967926
2003	1.2896888256073
2004	0.969877243041992
2005	1.01664757728577
2006	0.952390611171722
2007	0.821809351444244
2008	0.987546324729919
2009	0.787381768226624
2010	0.717686951160431
2011	0.741739273071289
2012	0.775272607803345
2013	0.74876344203949
2014	0.8062744140625
2015	0.904212951660156
2016	0.958625793457031
2017	1.10616815090179
2018	1.11509525775909
2019	1.05163240432739
2020	1.00865364074707
2021	0.937251269817352
2022	0.860719680786133