| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $25,825 | $21,248 |
| 2016 | $25,825 | $21,023 |
| 2017 | $26,225 | $22,030 |
| 2018 | $26,225 | $21,587 |
| 2019 | $26,225 | $18,371 |
| 2020 | $26,225 | $18,371 |
| 2021* | $26,225 | $18,176 |
| 2022* | $26,225 | $17,984 |
| 2023* | $26,225 | $17,793 |
| 2024* | $26,225 | $17,604 |
| 2025* | $26,225 | $17,418 |