| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $49,830 | $25,570 |
| 2016 | $51,840 | $26,141 |
| 2017 | $53,490 | $26,534 |
| 2018 | $53,490 | $25,958 |
| 2019 | $56,930 | $26,528 |
| 2020 | $58,910 | $28,508 |
| 2021* | $60,960 | $29,135 |
| 2022* | $63,081 | $29,776 |
| 2023* | $65,277 | $30,431 |
| 2024* | $67,548 | $31,101 |
| 2025* | $69,899 | $31,785 |
