| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $54,630 | $30,789 |
| 2016 | $56,160 | $29,243 |
| 2017 | $58,330 | $30,984 |
| 2018 | $58,330 | $29,757 |
| 2019 | $62,880 | $30,069 |
| 2020 | $65,010 | $32,199 |
| 2021* | $67,214 | $32,537 |
| 2022* | $69,492 | $32,879 |
| 2023* | $71,848 | $33,224 |
| 2024* | $74,284 | $33,573 |
| 2025* | $76,802 | $33,925 |