| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $63,471 | $31,626 |
| 2016 | $66,774 | $28,997 |
| 2017 | $68,901 | $32,269 |
| 2018 | $68,901 | $27,493 |
| 2019 | $74,763 | $30,117 |
| 2020 | $77,718 | $33,072 |
| 2021* | $80,788 | $36,227 |
| 2022* | $83,979 | $39,683 |
| 2023* | $87,296 | $43,469 |
| 2024* | $90,744 | $47,616 |
| 2025* | $94,329 | $52,158 |
