| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $56,160 | $31,955 |
| 2016 | $56,680 | $30,721 |
| 2017 | $45,476 | $19,046 |
| 2018 | $45,476 | $18,045 |
| 2019 | $48,800 | $30,556 |
| 2020 | $49,647 | $31,403 |
| 2021* | $50,109 | $30,191 |
| 2022* | $50,575 | $29,025 |
| 2023* | $51,045 | $27,905 |
| 2024* | $51,520 | $26,828 |
| 2025* | $51,999 | $25,792 |
