| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $54,000 | $32,336 |
| 2016 | $56,200 | $33,299 |
| 2017 | $58,490 | $33,333 |
| 2018 | $58,490 | $31,059 |
| 2019 | $45,860 | $13,974 |
| 2020 | $47,170 | $15,284 |
| 2021* | $48,519 | $15,299 |
| 2022* | $49,907 | $15,315 |
| 2023* | $51,334 | $15,330 |
| 2024* | $52,802 | $15,345 |
| 2025* | $54,312 | $15,361 |