| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | N/A | N/A |
| 2016 | $28,555 | $24,359 |
| 2017 | $29,195 | $24,672 |
| 2018 | $29,195 | $24,158 |
| 2019 | N/A | N/A |
| 2020 | $31,750 | $25,857 |
| 2021* | $32,106 | $25,754 |
| 2022* | $32,465 | $25,651 |
| 2023* | $32,829 | $25,548 |
| 2024* | $33,196 | $25,446 |
| 2025* | $33,568 | $25,344 |