Year	Percent
1993	96.21115
1994	99.20181
1995	97.46052
1996	96.34731
1997	97.11185
1999	98.6151
2000	101.75577
2001	106.37261
2002	132.28397
2003	102.43376
2004	103.76884
2005	100.5798
2006	98.71275
2007	96.56522
2008	98.75287
2011	107.59583
2012	103.53491
2013	99.73694
2014	98.13117
2015	96.97896
2016	96.65487