| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $39,336 | $28,614 |
| 2016 | $40,758 | $29,441 |
| 2017 | $42,294 | $31,456 |
| 2018 | $42,294 | $30,747 |
| 2019 | $49,640 | $34,020 |
| 2020 | $52,020 | $36,400 |
| 2021* | $53,981 | $38,890 |
| 2022* | $56,016 | $41,550 |
| 2023* | $58,128 | $44,392 |
| 2024* | $60,319 | $47,428 |
| 2025* | $62,594 | $50,672 |
