| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $57,734 | $29,490 |
| 2016 | $59,766 | $29,882 |
| 2017 | $61,374 | $30,292 |
| 2018 | $61,374 | $30,400 |
| 2019 | $65,698 | $28,292 |
| 2020 | $68,240 | $30,834 |
| 2021* | $70,642 | $31,244 |
| 2022* | $73,129 | $31,660 |
| 2023* | $75,703 | $32,081 |
| 2024* | $78,368 | $32,507 |
| 2025* | $81,126 | $32,940 |