|
1994 |
1997 |
2003 |
| Lowest |
$9,594 or less |
$22,400 or less |
$34,000 or less |
| Lower middle |
$9,595–$17,992 |
$22,401–$29,992 |
$34,001–$48,000 |
| Upper middle |
$17,993–$25,771 |
$29,993–$40,888 |
$48,001–$66,900 |
| Highest |
Greater than $25,771 |
Greater than $40,888 |
Greater than $66,900 |