| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $64,590 | $25,652 |
| 2016 | $66,550 | $28,736 |
| 2017 | $68,870 | $28,335 |
| 2018 | $68,870 | $25,632 |
| 2019 | $73,538 | $29,039 |
| 2020 | $75,680 | $31,181 |
| 2021* | $77,973 | $33,482 |
| 2022* | $80,336 | $35,953 |
| 2023* | $82,770 | $38,606 |
| 2024* | $85,278 | $41,456 |
| 2025* | $87,862 | $44,515 |