| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | N/A | N/A |
| 2016 | $34,382 | $30,030 |
| 2017 | $34,382 | $28,864 |
| 2018 | $34,382 | $29,151 |
| 2019 | $32,865 | $26,522 |
| 2020 | $32,812 | $26,469 |
| 2021* | $32,786 | $25,929 |
| 2022* | $32,760 | $25,400 |
| 2023* | $32,733 | $24,882 |
| 2024* | $32,707 | $24,374 |
| 2025* | $32,681 | $23,877 |