| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $66,724 | $29,427 |
| 2016 | $68,624 | $29,011 |
| 2017 | $70,562 | $33,194 |
| 2018 | $70,562 | $31,466 |
| 2019 | $74,712 | $29,529 |
| 2020 | $76,774 | $31,591 |
| 2021* | $78,939 | $31,146 |
| 2022* | $81,165 | $30,706 |
| 2023* | $83,454 | $30,273 |
| 2024* | $85,807 | $29,847 |
| 2025* | $88,227 | $29,426 |
