| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $63,870 | $26,672 |
| 2016 | $65,750 | $25,887 |
| 2017 | $67,670 | $28,197 |
| 2018 | $67,670 | $24,059 |
| 2019 | $72,390 | $31,517 |
| 2020 | $74,670 | $33,797 |
| 2021* | $76,865 | $36,241 |
| 2022* | $79,125 | $38,861 |
| 2023* | $81,451 | $41,670 |
| 2024* | $83,846 | $44,683 |
| 2025* | $86,311 | $47,914 |