| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $64,640 | $38,373 |
| 2016 | $66,160 | $40,748 |
| 2017 | $67,720 | $42,541 |
| 2018 | $67,720 | $41,551 |
| 2019 | $72,780 | $42,145 |
| 2020 | $75,520 | $44,885 |
| 2021* | $77,302 | $46,860 |
| 2022* | $79,127 | $48,922 |
| 2023* | $80,994 | $51,074 |
| 2024* | $82,905 | $53,322 |
| 2025* | $84,862 | $55,668 |