| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $41,320 | $26,336 |
| 2016 | $42,580 | $27,135 |
| 2017 | $43,530 | $28,337 |
| 2018 | $43,530 | $27,207 |
| 2019 | $46,422 | $27,098 |
| 2020 | $47,452 | $28,128 |
| 2021* | $48,510 | $28,980 |
| 2022* | $49,592 | $29,858 |
| 2023* | $50,698 | $30,763 |
| 2024* | $51,828 | $31,695 |
| 2025* | $52,984 | $32,656 |
