| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $40,460 | $25,243 |
| 2016 | $41,690 | $24,923 |
| 2017 | $42,640 | $25,901 |
| 2018 | $42,640 | $26,506 |
| 2019 | $45,660 | $27,671 |
| 2020 | $46,840 | $28,851 |
| 2021* | $48,048 | $29,982 |
| 2022* | $49,288 | $31,157 |
| 2023* | $50,560 | $32,379 |
| 2024* | $51,864 | $33,648 |
| 2025* | $53,202 | $34,967 |