| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $48,308 | $33,378 |
| 2016 | $50,770 | $35,361 |
| 2017 | $53,316 | $39,143 |
| 2018 | $53,316 | $37,049 |
| 2019 | $57,828 | $41,264 |
| 2020 | $60,415 | $43,851 |
| 2021* | $63,442 | $46,600 |
| 2022* | $66,620 | $49,522 |
| 2023* | $69,958 | $52,627 |
| 2024* | $73,463 | $55,927 |
| 2025* | $77,143 | $59,434 |
