| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $47,209 | $24,920 |
| 2016 | $48,349 | $26,808 |
| 2017 | $49,356 | $27,379 |
| 2018 | $49,356 | $21,860 |
| 2019 | $51,380 | $27,476 |
| 2020 | $52,080 | $28,176 |
| 2021* | $53,163 | $28,894 |
| 2022* | $54,269 | $29,631 |
| 2023* | $55,398 | $30,387 |
| 2024* | $56,550 | $31,162 |
| 2025* | $57,726 | $31,956 |