| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $43,384 | $29,440 |
| 2016 | $44,538 | $29,046 |
| 2017 | $45,982 | $29,831 |
| 2018 | $45,982 | $28,341 |
| 2019 | $50,248 | $26,981 |
| 2020 | $50,614 | $27,347 |
| 2021* | $51,960 | $26,981 |
| 2022* | $53,342 | $26,619 |
| 2023* | $54,761 | $26,262 |
| 2024* | $56,218 | $25,910 |
| 2025* | $57,713 | $25,563 |