Year	%
1992	7.8
1993	5.45
1994	4.755
1995	5.73
1996	3.7
1997	2.375
1998	2.295
1999	1.475
2000	2.055
2001	2.1725
2002	2.3775
2003	1.675
2004	1.07
2005	0.816975
2006	1.08857777777778