| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $47,586 | $30,187 |
| 2016 | $48,986 | $31,378 |
| 2017 | $50,350 | $30,418 |
| 2018 | $50,350 | $30,529 |
| 2019 | $53,200 | $28,408 |
| 2020 | $53,990 | $29,198 |
| 2021* | $55,491 | $29,303 |
| 2022* | $57,034 | $29,409 |
| 2023* | $58,619 | $29,514 |
| 2024* | $60,249 | $29,621 |
| 2025* | $61,924 | $29,727 |
