| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $20,965 | $17,792 |
| 2016 | $21,205 | $18,476 |
| 2017 | $21,525 | $15,550 |
| 2018 | $21,525 | $15,510 |
| 2019 | $22,025 | $18,963 |
| 2020 | $22,025 | $18,963 |
| 2021* | $22,276 | $18,963 |
| 2022* | $22,530 | $18,963 |
| 2023* | $22,787 | $18,963 |
| 2024* | $23,047 | $18,963 |
| 2025* | $23,309 | $18,963 |
