| Major Object | 2016 | 2015 | 2014 | 2013 |
| Continuous Charges | $20,647,887 |
$86,654,673 |
$43,171,319 |
$36,440,800 |
Contractual Services | $114,175,635 |
$493,468,522 |
$308,133,776 |
$201,059,769 |
Equipment | $29,933,796 |
$93,846,718 |
$56,359,428 |
$26,037,476 |
Obligations | $8,553,629 |
$38,030,003 |
$14,243,714 |
$7,382,252 |
Personal Services | $284,940,931 |
$1,036,087,517 |
$501,457,161 |
$480,573,247 |
Plant And Improvements | $46,134,695 |
$63,933,318 |
$59,576,637 |
$71,728,665 |
Property Improvements | $1,235 |
-$1,968,128 |
$1,411,429 |
$988,536 |
Supplies And Materials | $141,590,959 |
$720,876,576 |
$462,653,425 |
$218,779,199 |
Transfer Payments | $1,887,327 |
$11,368,940 |
$17,218,752 |
$2,298,134 |
