| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $45,976 | $24,895 |
| 2016 | $50,376 | $26,369 |
| 2017 | $51,018 | $30,649 |
| 2018 | $51,018 | $28,423 |
| 2019 | $52,760 | $26,596 |
| 2020 | $50,964 | $24,800 |
| 2021* | $51,611 | $23,205 |
| 2022* | $52,267 | $21,713 |
| 2023* | $52,930 | $20,317 |
| 2024* | $53,603 | $19,011 |
| 2025* | $54,283 | $17,788 |
