| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $60,400 | $36,732 |
| 2016 | $62,700 | $38,637 |
| 2017 | $64,984 | $40,043 |
| 2018 | $64,984 | $38,625 |
| 2019 | $69,730 | $38,432 |
| 2020 | $70,945 | $39,647 |
| 2021* | $73,527 | $40,900 |
| 2022* | $76,204 | $42,192 |
| 2023* | $78,978 | $43,526 |
| 2024* | $81,852 | $44,901 |
| 2025* | $84,832 | $46,320 |
