| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $52,350 | $23,708 |
| 2016 | $53,740 | $23,234 |
| 2017 | $55,180 | $22,172 |
| 2018 | $55,180 | $24,973 |
| 2019 | $46,850 | $12,402 |
| 2020 | $48,150 | $13,702 |
| 2021* | $49,431 | $13,428 |
| 2022* | $50,746 | $13,159 |
| 2023* | $52,095 | $12,896 |
| 2024* | $53,481 | $12,638 |
| 2025* | $54,904 | $12,386 |
