| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $17,760 | $12,102 |
| 2016 | $21,204 | $13,922 |
| 2017 | $21,603 | $14,003 |
| 2018 | $21,603 | $14,040 |
| 2019 | $21,142 | $13,139 |
| 2020 | $19,644 | $11,641 |
| 2021* | $19,644 | $11,671 |
| 2022* | $19,644 | $11,702 |
| 2023* | $19,644 | $11,732 |
| 2024* | $19,644 | $11,763 |
| 2025* | $19,644 | $11,793 |
