Year	Percent
1992	0.969
1993	0.81
1994	0.607
1995	0.515
1996	0.447
1997	0.416
1998	0.398
1999	0.383
2000	0.388
2001	0.398
2002	0.407
2003	0.429
2004	0.455
2005	0.448
2006	0.458
2007	0.47
2008	0.466
2009	0.398
2010	0.393
2011	0.398
2012	0.387
2013	0.374
2014	0.338
2015	0.295
2016	0.293
2017	0.289
2018	0.289
2019	0.287
2020	0.286
2021	0.284
2022	0.283
2023	0.283
2024	0.282