| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $24,417 | $15,312 |
| 2016 | $24,891 | $15,770 |
| 2017 | $24,676 | $15,077 |
| 2018 | $24,676 | $13,632 |
| 2019 | $26,341 | $12,982 |
| 2020 | $26,179 | $12,820 |
| 2021* | $26,179 | $12,257 |
| 2022* | $26,179 | $11,719 |
| 2023* | $26,179 | $11,205 |
| 2024* | $26,179 | $10,713 |
| 2025* | $26,179 | $10,242 |
