| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $52,615 | $36,529 |
| 2016 | $54,902 | $39,155 |
| 2017 | $56,840 | $37,914 |
| 2018 | $56,840 | $40,492 |
| 2019 | $61,950 | $42,437 |
| 2020 | $61,830 | $42,317 |
| 2021* | $64,013 | $44,348 |
| 2022* | $66,272 | $46,477 |
| 2023* | $68,612 | $48,708 |
| 2024* | $71,034 | $51,046 |
| 2025* | $73,541 | $53,496 |
