| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $42,640 | $24,852 |
| 2016 | $44,652 | $27,161 |
| 2017 | $46,544 | $28,166 |
| 2018 | $46,544 | $27,568 |
| 2019 | $50,236 | $27,369 |
| 2020 | $51,612 | $28,745 |
| 2021* | $53,800 | $29,809 |
| 2022* | $56,081 | $30,911 |
| 2023* | $58,459 | $32,055 |
| 2024* | $60,938 | $33,241 |
| 2025* | $63,522 | $34,471 |
