Year	Percent
2000	28.42739
2001	21.55371
2002	24.67527
2003	24.87367
2004	30.78841
2005	28.91251
2006	32.20429
2007	29.99742
2008	30.15551
2009	24.96286
2010	25.59641
2011	22.16024
2012	25.79649
2013	21.31999
2014	21.05071
2015	17.77274
2016	16.93774
2017	16.98652
2018	17.65597
2019	14.16761
2020	13.12294
2021	8.6206
2022	10.22985