| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $64,486 | $29,938 |
| 2016 | $66,647 | $30,660 |
| 2017 | $69,563 | $29,338 |
| 2018 | $69,563 | $29,650 |
| 2019 | $75,169 | $31,373 |
| 2020 | $75,842 | $32,046 |
| 2021* | $78,383 | $32,735 |
| 2022* | $81,009 | $33,439 |
| 2023* | $83,722 | $34,158 |
| 2024* | $86,527 | $34,892 |
| 2025* | $89,426 | $35,642 |
