| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $60,575 | $31,414 |
| 2016 | $63,075 | $32,221 |
| 2017 | $65,925 | $33,012 |
| 2018 | $65,925 | $29,911 |
| 2019 | $71,465 | $29,710 |
| 2020 | $72,065 | $30,310 |
| 2021* | $75,041 | $30,922 |
| 2022* | $78,140 | $31,547 |
| 2023* | $81,368 | $32,184 |
| 2024* | $84,728 | $32,834 |
| 2025* | $88,227 | $33,498 |
