| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $65,494 | $32,430 |
| 2016 | $67,613 | $32,672 |
| 2017 | $70,321 | $34,876 |
| 2018 | $70,321 | $34,157 |
| 2019 | $76,258 | $31,303 |
| 2020 | $78,992 | $34,037 |
| 2021* | $81,828 | $34,292 |
| 2022* | $84,765 | $34,549 |
| 2023* | $87,809 | $34,809 |
| 2024* | $90,961 | $35,070 |
| 2025* | $94,226 | $35,333 |