| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $65,235 | $45,771 |
| 2016 | $71,375 | $45,714 |
| 2017 | $68,792 | $39,695 |
| 2018 | $68,792 | $40,025 |
| 2019 | $71,657 | $41,241 |
| 2020 | $75,146 | $44,730 |
| 2021* | $78,272 | $45,101 |
| 2022* | $81,528 | $45,476 |
| 2023* | $84,920 | $45,853 |
| 2024* | $88,452 | $46,234 |
| 2025* | $92,132 | $46,617 |