| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $53,590 | $30,526 |
| 2016 | $56,010 | $30,682 |
| 2017 | $58,165 | $32,951 |
| 2018 | $58,165 | $28,526 |
| 2019 | $62,125 | $29,022 |
| 2020 | $64,475 | $31,372 |
| 2021* | $66,957 | $31,918 |
| 2022* | $69,535 | $32,473 |
| 2023* | $72,212 | $33,038 |
| 2024* | $74,992 | $33,613 |
| 2025* | $77,880 | $34,198 |