| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $46,230 | $29,375 |
| 2016 | $47,650 | $30,087 |
| 2017 | $50,180 | $30,528 |
| 2018 | $50,180 | $28,327 |
| 2019 | $54,370 | $32,135 |
| 2020 | $54,370 | $32,135 |
| 2021* | $56,039 | $32,607 |
| 2022* | $57,760 | $33,087 |
| 2023* | $59,533 | $33,573 |
| 2024* | $61,360 | $34,067 |
| 2025* | $63,244 | $34,567 |