| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $41,200 | $26,675 |
| 2016 | $42,500 | $27,727 |
| 2017 | $43,800 | $26,850 |
| 2018 | $43,800 | $27,127 |
| 2019 | $46,400 | $28,092 |
| 2020 | $47,920 | $29,612 |
| 2021* | $49,434 | $30,666 |
| 2022* | $50,996 | $31,758 |
| 2023* | $52,608 | $32,888 |
| 2024* | $54,270 | $34,059 |
| 2025* | $55,985 | $35,272 |
