Year	Percent
1994	23.85694
1995	19.94488
1996	29.39866
1997	7.54121
1998	5.39284
1999	6.12643
2000	4.20171
2001	8.23999
2002	10.31749
2003	7.83805
2004	8.01564
2005	6.17754
2006	6.00057
2007	6.75225