| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $41,850 | $30,534 |
| 2016 | $43,168 | $32,342 |
| 2017 | $43,707 | $32,678 |
| 2018 | $43,707 | $33,452 |
| 2019 | $48,212 | $36,294 |
| 2020 | $48,698 | $36,780 |
| 2021* | $49,307 | $37,652 |
| 2022* | $49,923 | $38,544 |
| 2023* | $50,547 | $39,458 |
| 2024* | $51,179 | $40,393 |
| 2025* | $51,819 | $41,350 |
