| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $46,732 | $25,870 |
| 2016 | $48,470 | $27,197 |
| 2017 | $49,976 | $28,185 |
| 2018 | $49,976 | $27,743 |
| 2019 | $52,768 | $27,564 |
| 2020 | $54,226 | $29,022 |
| 2021* | $55,912 | $30,075 |
| 2022* | $57,651 | $31,167 |
| 2023* | $59,444 | $32,299 |
| 2024* | $61,293 | $33,471 |
| 2025* | $63,199 | $34,686 |
