| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $66,800 | $27,694 |
| 2016 | $69,340 | $29,064 |
| 2017 | $71,715 | $27,859 |
| 2018 | $71,715 | $26,914 |
| 2019 | $77,264 | $26,732 |
| 2020 | $81,110 | $30,578 |
| 2021* | $84,192 | $30,370 |
| 2022* | $87,391 | $30,164 |
| 2023* | $90,712 | $29,958 |
| 2024* | $94,159 | $29,755 |
| 2025* | $97,737 | $29,552 |
