| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $21,093 | $9,995 |
| 2016 | $21,029 | $11,167 |
| 2017 | $22,977 | $15,839 |
| 2018 | $22,977 | $12,017 |
| 2019 | $23,014 | $12,334 |
| 2020 | $22,680 | $12,000 |
| 2021* | $22,680 | $12,317 |
| 2022* | $22,680 | $12,642 |
| 2023* | $22,680 | $12,976 |
| 2024* | $22,680 | $13,318 |
| 2025* | $22,680 | $13,670 |
