| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $42,100 | $25,735 |
| 2016 | $42,995 | $26,829 |
| 2017 | $43,995 | $27,592 |
| 2018 | $43,995 | $26,230 |
| 2019 | $45,000 | $24,791 |
| 2020 | $48,834 | $28,625 |
| 2021* | $49,947 | $29,438 |
| 2022* | $51,086 | $30,274 |
| 2023* | $52,251 | $31,134 |
| 2024* | $53,442 | $32,018 |
| 2025* | $54,661 | $32,927 |