Year	Number
1996	1.05037176609039
1998	1.08426582813263
2000	1.15119981765747
2002	1.09719908237457
2003	0.918948590755463
2004	1.09435272216797
2005	1.11291885375977
2006	0.91321188211441
2007	1.04420638084412
2008	1.06835830211639
2009	1.04774069786072
2010	1.06063663959503
2011	1.24613010883331
2012	1.18596565723419
2013	1.26692914962769
2014	1.2779198884964
2015	1.11682772636414
2016	0.960008144378662
2017	0.95252388715744
2018	0.900504648685455
2019	1.03281283378601
2020	1.12057745456696
2021	1.11841666698456
2022	1.15202713012695