| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $48,750 | $31,263 |
| 2016 | $51,000 | $30,996 |
| 2017 | $52,900 | $31,298 |
| 2018 | $52,900 | $31,322 |
| 2019 | $56,500 | $31,405 |
| 2020 | $58,500 | $33,405 |
| 2021* | $60,682 | $33,492 |
| 2022* | $62,945 | $33,579 |
| 2023* | $65,293 | $33,666 |
| 2024* | $67,729 | $33,754 |
| 2025* | $70,255 | $33,842 |
