| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $67,165 | $40,243 |
| 2016 | $69,883 | $42,770 |
| 2017 | $72,408 | $42,869 |
| 2018 | $72,408 | $39,205 |
| 2019 | $76,710 | $42,626 |
| 2020 | $79,050 | $44,966 |
| 2021* | $81,904 | $47,435 |
| 2022* | $84,860 | $50,039 |
| 2023* | $87,924 | $52,786 |
| 2024* | $91,098 | $55,684 |
| 2025* | $94,387 | $58,741 |
