| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $47,290 | $29,096 |
| 2016 | $47,546 | $26,969 |
| 2017 | $48,776 | $28,989 |
| 2018 | $48,776 | $26,624 |
| 2019 | $50,590 | $26,643 |
| 2020 | $53,107 | $29,160 |
| 2021* | $54,482 | $29,180 |
| 2022* | $55,894 | $29,201 |
| 2023* | $57,341 | $29,221 |
| 2024* | $58,826 | $29,242 |
| 2025* | $60,350 | $29,262 |
