| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $49,370 | $33,681 |
| 2016 | $54,282 | $35,206 |
| 2017 | $55,710 | $37,229 |
| 2018 | $55,710 | $36,756 |
| 2019 | $58,110 | $36,839 |
| 2020 | $58,110 | $36,839 |
| 2021* | $59,638 | $36,924 |
| 2022* | $61,207 | $37,009 |
| 2023* | $62,817 | $37,094 |
| 2024* | $64,469 | $37,179 |
| 2025* | $66,164 | $37,265 |
