| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $58,253 | $24,474 |
| 2016 | $60,518 | $26,664 |
| 2017 | $63,158 | $26,966 |
| 2018 | $63,158 | $26,771 |
| 2019 | $67,102 | $22,287 |
| 2020 | $69,557 | $24,742 |
| 2021* | $72,263 | $25,022 |
| 2022* | $75,074 | $25,304 |
| 2023* | $77,994 | $25,590 |
| 2024* | $81,028 | $25,879 |
| 2025* | $84,180 | $26,172 |