| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $46,054 | $26,055 |
| 2016 | $47,748 | $26,817 |
| 2017 | $49,488 | $27,087 |
| 2018 | $49,488 | $26,032 |
| 2019 | $54,046 | $26,435 |
| 2020 | $56,026 | $28,415 |
| 2021* | $58,077 | $28,855 |
| 2022* | $60,202 | $29,303 |
| 2023* | $62,406 | $29,757 |
| 2024* | $64,690 | $30,218 |
| 2025* | $67,057 | $30,686 |
