| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $45,103 | $22,512 |
| 2016 | $46,647 | $23,721 |
| 2017 | $47,994 | $25,168 |
| 2018 | $47,994 | $22,373 |
| 2019 | $49,248 | $23,742 |
| 2020 | $49,338 | $23,832 |
| 2021* | $50,626 | $25,112 |
| 2022* | $51,947 | $26,460 |
| 2023* | $53,303 | $27,881 |
| 2024* | $54,694 | $29,378 |
| 2025* | $56,122 | $30,956 |
