| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $64,699 | $49,404 |
| 2016 | $66,452 | $49,101 |
| 2017 | $69,127 | $51,035 |
| 2018 | $69,127 | $54,524 |
| 2019 | $72,904 | $48,785 |
| 2020 | $69,074 | $44,955 |
| 2021* | $70,946 | $44,681 |
| 2022* | $72,869 | $44,408 |
| 2023* | $74,843 | $44,137 |
| 2024* | $76,872 | $43,868 |
| 2025* | $78,955 | $43,600 |