| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $50,334 | $37,376 |
| 2016 | $50,896 | $37,216 |
| 2017 | $51,874 | $37,661 |
| 2018 | $51,874 | $38,189 |
| 2019 | $54,537 | $38,311 |
| 2020 | $56,708 | $40,482 |
| 2021* | $57,797 | $40,968 |
| 2022* | $58,906 | $41,459 |
| 2023* | $60,037 | $41,957 |
| 2024* | $61,190 | $42,460 |
| 2025* | $62,365 | $42,970 |
