| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $22,560 | $16,938 |
| 2016 | $23,060 | $17,123 |
| 2017 | $23,060 | $17,093 |
| 2018 | $23,060 | $18,416 |
| 2019 | $23,060 | $20,134 |
| 2020 | $23,060 | $20,134 |
| 2021* | $23,060 | $20,353 |
| 2022* | $23,060 | $20,575 |
| 2023* | $23,060 | $20,800 |
| 2024* | $23,060 | $21,026 |
| 2025* | $23,060 | $21,255 |