| Major Object | 2016 | 2015 | 2014 | 2013 |
| Continuous Charges | $67,977,780 |
$79,698,643 |
$76,904,920 |
$62,369,534 |
Contractual Services | $296,018,874 |
$280,107,808 |
$497,829,387 |
$157,502,326 |
Equipment | $46,411,822 |
$40,407,267 |
$39,647,928 |
$26,997,827 |
Obligations | $93,895,460 |
-$111,769,639 |
$107,352,660 |
$62,406,045 |
Personal Services | $896,073,690 |
$765,940,082 |
$1,161,128,538 |
$744,754,729 |
Plant And Improvements | $68,107,669 |
$97,949,502 |
$217,827,909 |
$353,796,400 |
Property Improvements | $1,006,855 |
$730,776 |
-$40,061,383 |
-$279,834 |
Supplies And Materials | $89,009,542 |
$80,606,075 |
$162,907,709 |
$48,134,182 |
Transfer Payments | $76,090,356 |
$92,043,791 |
-$75,517,122 |
$116,439,482 |
