| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $53,498 | $29,900 |
| 2016 | $54,160 | $30,957 |
| 2017 | $55,152 | $27,340 |
| 2018 | $55,152 | $27,180 |
| 2019 | $56,770 | $27,770 |
| 2020 | $60,036 | $31,036 |
| 2021* | $61,135 | $31,709 |
| 2022* | $62,253 | $32,398 |
| 2023* | $63,393 | $33,101 |
| 2024* | $64,553 | $33,819 |
| 2025* | $65,734 | $34,553 |