1994	1995	1996	1997	1998	Number	% of Total
0	92.2	92	91.7	91.9	90.2	98,982	91.6
1	7.3	7.3	7.7	7.5	8.8	8,288	7.7
2	0.5	0.6	0.6	0.6	0.9	700	0.6
3	0.0	0.0	0.0	0.0	0.1	42	0.0
4			0.0	0.0		4	0.0
5				0.0		1	0.0
Number	24,690	22,857	21,437	20,302	18,731	108,017	100