| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $40,755 | $23,669 |
| 2016 | $42,400 | $24,584 |
| 2017 | $42,396 | $21,655 |
| 2018 | $42,396 | $19,261 |
| 2019 | $43,644 | $20,429 |
| 2020 | $43,386 | $20,171 |
| 2021* | $43,386 | $19,917 |
| 2022* | $43,386 | $19,666 |
| 2023* | $43,386 | $19,418 |
| 2024* | $43,386 | $19,173 |
| 2025* | $43,386 | $18,932 |