| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $55,286 | $33,885 |
| 2016 | $57,364 | $34,560 |
| 2017 | $59,202 | $34,713 |
| 2018 | $59,202 | $32,476 |
| 2019 | $62,818 | $30,163 |
| 2020 | $64,700 | $32,045 |
| 2021* | $66,770 | $32,186 |
| 2022* | $68,907 | $32,328 |
| 2023* | $71,112 | $32,470 |
| 2024* | $73,388 | $32,613 |
| 2025* | $75,736 | $32,756 |
