| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $58,798 | $37,145 |
| 2016 | $59,918 | $37,590 |
| 2017 | $61,339 | $37,686 |
| 2018 | $61,339 | $36,266 |
| 2019 | $64,091 | $36,356 |
| 2020 | $65,527 | $37,792 |
| 2021* | $66,995 | $37,890 |
| 2022* | $68,495 | $37,989 |
| 2023* | $70,030 | $38,088 |
| 2024* | $71,598 | $38,187 |
| 2025* | $73,202 | $38,286 |
