| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $15,558 | $10,975 |
| 2016 | $15,558 | $11,062 |
| 2017 | $15,558 | $11,223 |
| 2018 | $15,558 | $11,673 |
| 2019 | $17,885 | $12,919 |
| 2020 | $17,945 | $12,979 |
| 2021* | $17,945 | $13,168 |
| 2022* | $17,945 | $13,361 |
| 2023* | $17,945 | $13,556 |
| 2024* | $17,945 | $13,754 |
| 2025* | $17,945 | $13,955 |
