| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $19,134 | $10,026 |
| 2016 | $19,634 | $11,128 |
| 2017 | $21,482 | $14,651 |
| 2018 | $21,482 | $13,871 |
| 2019 | $22,110 | $12,837 |
| 2020 | $22,110 | $12,837 |
| 2021* | $22,687 | $12,837 |
| 2022* | $23,279 | $12,837 |
| 2023* | $23,887 | $12,837 |
| 2024* | $24,510 | $12,837 |
| 2025* | $25,150 | $12,837 |