| 1998 | 1999 | 2000 | |||||||||||
| Less than 13 Months | 13 to 24 Months | More than 24 Months | Unknown | Less than 13 Months | 13 to 24 Months | More than 24 Months | Unknown | Less than 13 Months | 13 to 24 Months | More than 24 Months | Unknown | ||
| 54.17% | 21.04% | 21.11% | 3.68% | 56.64% | 18.05% | 25.31% | 62.23% | 16.90% | 20.87% | ||||
| #REF! | |||||||||||||
| #REF! | #REF! | ||||||||||||
| Under 13 Months | 13 to 24 Months | Over 24 Months | |||||||||||
| 2,461 | 758 | 1,544 | |||||||||||
| 2,993 | 768 | 1,648 | |||||||||||
| 2,561 | 995 | 998 | |||||||||||
| 2,905 | 926 | 1,298 | |||||||||||
| 3,414 | 927 | 1,145 | 5,486 | ||||||||||
| 100.00% | |||||||||||||