| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $46,036 | $25,812 |
| 2016 | $47,794 | $26,607 |
| 2017 | $49,104 | $26,864 |
| 2018 | $49,104 | $25,790 |
| 2019 | $51,866 | $27,182 |
| 2020 | $53,284 | $28,600 |
| 2021* | $54,744 | $29,481 |
| 2022* | $56,244 | $30,389 |
| 2023* | $57,785 | $31,325 |
| 2024* | $59,368 | $32,290 |
| 2025* | $60,995 | $33,284 |