| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $63,440 | $25,829 |
| 2016 | $65,590 | $27,096 |
| 2017 | $68,070 | $29,518 |
| 2018 | $68,070 | $26,927 |
| 2019 | $73,800 | $26,898 |
| 2020 | $71,880 | $24,978 |
| 2021* | $74,317 | $24,951 |
| 2022* | $76,836 | $24,923 |
| 2023* | $79,441 | $24,896 |
| 2024* | $82,134 | $24,868 |
| 2025* | $84,918 | $24,841 |