| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $23,032 | $12,234 |
| 2016 | $23,032 | $12,687 |
| 2017 | $22,812 | $11,649 |
| 2018 | $22,812 | $12,109 |
| 2019 | $22,882 | $12,573 |
| 2020 | $22,782 | $12,473 |
| 2021* | $22,782 | $12,935 |
| 2022* | $22,782 | $13,413 |
| 2023* | $22,782 | $13,909 |
| 2024* | $22,782 | $14,424 |
| 2025* | $22,782 | $14,958 |
