Year	Number
1996	0.527473866939545
1998	0.309278875589371
2000	0.0986325070261955
2002	0.494154572486877
2003	0.729680180549622
2004	0.691371083259583
2005	0.755011320114136
2006	0.716516494750977
2007	0.655761361122131
2008	0.561739921569824
2009	0.689942300319672
2010	0.738227605819702
2011	0.698798894882202
2012	0.826729953289032
2013	0.826586425304413
2014	0.977891862392426
2015	1.1513751745224
2016	1.03379249572754
2017	0.929522395133972
2018	1.03165376186371
2019	1.00776672363281
2020	1.01503241062164
2021	1.0187371969223
2022	0.994318783283234