| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $49,150 | $27,110 |
| 2016 | $51,513 | $30,512 |
| 2017 | $53,150 | $31,916 |
| 2018 | $53,150 | $28,419 |
| 2019 | $56,400 | $26,577 |
| 2020 | $57,740 | $27,917 |
| 2021* | $59,576 | $29,201 |
| 2022* | $61,471 | $30,544 |
| 2023* | $63,425 | $31,949 |
| 2024* | $65,442 | $33,419 |
| 2025* | $67,523 | $34,956 |