| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $60,992 | $31,998 |
| 2016 | $62,697 | $31,042 |
| 2017 | $63,767 | $30,955 |
| 2018 | $63,767 | $28,207 |
| 2019 | $48,839 | $27,698 |
| 2020 | $48,732 | $27,591 |
| 2021* | $48,732 | $27,094 |
| 2022* | $48,732 | $26,607 |
| 2023* | $48,732 | $26,128 |
| 2024* | $48,732 | $25,657 |
| 2025* | $48,732 | $25,196 |