| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $44,470 | $29,308 |
| 2016 | $46,410 | $28,280 |
| 2017 | $47,940 | $29,613 |
| 2018 | $47,940 | $27,817 |
| 2019 | $52,420 | $27,502 |
| 2020 | $54,331 | $29,413 |
| 2021* | $56,314 | $29,081 |
| 2022* | $58,370 | $28,752 |
| 2023* | $60,500 | $28,427 |
| 2024* | $62,708 | $28,106 |
| 2025* | $64,997 | $27,788 |
