| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $38,535 | $24,500 |
| 2016 | $39,610 | $23,649 |
| 2017 | $41,010 | $23,485 |
| 2018 | $41,010 | $24,431 |
| 2019 | $47,630 | $28,240 |
| 2020 | $48,050 | $28,660 |
| 2021* | $49,391 | $29,087 |
| 2022* | $50,769 | $29,520 |
| 2023* | $52,185 | $29,960 |
| 2024* | $53,641 | $30,407 |
| 2025* | $55,138 | $30,860 |
