| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $52,520 | $37,994 |
| 2016 | $55,020 | $40,296 |
| 2017 | $57,074 | $38,680 |
| 2018 | $57,074 | $40,023 |
| 2019 | $51,424 | $32,590 |
| 2020 | $52,034 | $33,200 |
| 2021* | $52,653 | $33,821 |
| 2022* | $53,280 | $34,453 |
| 2023* | $53,914 | $35,098 |
| 2024* | $54,555 | $35,754 |
| 2025* | $55,205 | $36,422 |