| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $24,840 | $15,216 |
| 2016 | $24,530 | $15,650 |
| 2017 | $24,736 | $15,842 |
| 2018 | $24,736 | $14,385 |
| 2019 | $24,808 | $15,487 |
| 2020 | $24,508 | $15,187 |
| 2021* | $24,508 | $15,374 |
| 2022* | $24,508 | $15,563 |
| 2023* | $24,508 | $15,754 |
| 2024* | $24,508 | $15,948 |
| 2025* | $24,508 | $16,144 |
