Year	Percent
1992	2.68343
1993	85.15371
1994	115.33632
1995	113.83663
1996	82.30837
1997	57.51631
1998	70.1312
1999	47.79694
2000	114.57171
2001	107.31615
2002	105.17999
2003	137.21309
2004	117.26241
2005	156.54385
2006	76.15549
2007	94.90854
2008	82.87416
2009	82.91837
2010	82.44616
2011	51.16716