| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $45,812 | $31,098 |
| 2016 | $47,325 | $39,559 |
| 2017 | $48,175 | $38,373 |
| 2018 | $48,175 | $39,436 |
| 2019 | $54,499 | $43,363 |
| 2020 | $54,429 | $43,293 |
| 2021* | $55,409 | $44,492 |
| 2022* | $56,406 | $45,725 |
| 2023* | $57,421 | $46,991 |
| 2024* | $58,455 | $48,293 |
| 2025* | $59,507 | $49,631 |
