| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $47,622 | $32,371 |
| 2016 | $49,319 | $32,364 |
| 2017 | $52,073 | $33,607 |
| 2018 | $52,073 | $32,570 |
| 2019 | $55,266 | $32,113 |
| 2020 | $56,334 | $33,181 |
| 2021* | $58,339 | $33,174 |
| 2022* | $60,416 | $33,168 |
| 2023* | $62,567 | $33,161 |
| 2024* | $64,795 | $33,154 |
| 2025* | $67,101 | $33,148 |