| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $55,130 | $27,961 |
| 2016 | $57,000 | $28,995 |
| 2017 | $58,675 | $28,338 |
| 2018 | $58,675 | $27,653 |
| 2019 | $62,850 | $28,429 |
| 2020 | $64,560 | $30,139 |
| 2021* | $66,458 | $30,986 |
| 2022* | $68,412 | $31,857 |
| 2023* | $70,423 | $32,752 |
| 2024* | $72,494 | $33,672 |
| 2025* | $74,625 | $34,618 |