| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $17,794 | $13,737 |
| 2016 | $17,954 | $14,680 |
| 2017 | $17,954 | $13,034 |
| 2018 | $17,954 | $14,996 |
| 2019 | $18,621 | $14,906 |
| 2020 | $18,621 | $14,906 |
| 2021* | $18,621 | $14,906 |
| 2022* | $18,621 | $14,906 |
| 2023* | $18,621 | $14,906 |
| 2024* | $18,621 | $14,906 |
| 2025* | $18,621 | $14,906 |