| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $34,108 | $19,680 |
| 2016 | $33,317 | $17,133 |
| 2017 | $33,700 | $19,475 |
| 2018 | $33,700 | $20,169 |
| 2019 | $35,394 | $21,063 |
| 2020 | $35,132 | $20,801 |
| 2021* | $35,132 | $21,542 |
| 2022* | $35,132 | $22,308 |
| 2023* | $35,132 | $23,103 |
| 2024* | $35,132 | $23,925 |
| 2025* | $35,132 | $24,777 |
