| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $49,500 | $26,812 |
| 2016 | $51,190 | $27,228 |
| 2017 | $52,980 | $27,568 |
| 2018 | $52,980 | $26,539 |
| 2019 | $56,900 | $26,232 |
| 2020 | $58,726 | $28,058 |
| 2021* | $60,729 | $28,409 |
| 2022* | $62,799 | $28,764 |
| 2023* | $64,941 | $29,123 |
| 2024* | $67,155 | $29,487 |
| 2025* | $69,445 | $29,856 |