| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $25,532 | $18,968 |
| 2016 | $25,514 | $18,382 |
| 2017 | $25,514 | $18,310 |
| 2018 | $25,514 | $18,208 |
| 2019 | $26,670 | $18,494 |
| 2020 | $27,820 | $19,644 |
| 2021* | $27,820 | $19,567 |
| 2022* | $27,820 | $19,491 |
| 2023* | $27,820 | $19,415 |
| 2024* | $27,820 | $19,339 |
| 2025* | $27,820 | $19,264 |
