Year	Percent
1993	7.39499
1994	13.18678
1995	18.53914
1996	14.03882
1997	18.66251
1998	27.82953
1999	40.48795
2000	75.6556
2001	73.34186
2002	78.42552
2003	79.85246
2004	82.48776
2005	84.73597
2006	104.0228
2007	104.72155
2008	93.52887
2009	106.86174
2010	92.59231
2011	75.39284
2012	75.33666
2013	70.78678
2014	79.33263
2015	88.68625
2016	135.13643