Year	Percent (Units)
1995	0.377
1996	0.379
1997	0.363
1998	0.352
1999	0.344
2000	0.342
2001	0.344
2002	0.340
2003	0.338
2004	0.337
2005	0.343
2006	0.348
2007	0.349
2008	0.348
2009	0.333
2010	0.324
2011	0.318
2012	0.305
2013	0.306
2014	0.311
2015	0.319
2016	0.327
2017	0.337
2018	0.335
2019	0.336
2020	0.327
2021	0.318
2022	0.315
2023	0.305
2024	0.297
2025	0.294
2026	0.291
2027	0.288
2028	0.286
2029	0.284