| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $55,289 | $36,996 |
| 2016 | $57,954 | $38,859 |
| 2017 | $59,708 | $40,034 |
| 2018 | $59,708 | $37,692 |
| 2019 | $63,123 | $40,125 |
| 2020 | $63,640 | $40,642 |
| 2021* | $65,568 | $41,869 |
| 2022* | $67,555 | $43,134 |
| 2023* | $69,602 | $44,436 |
| 2024* | $71,711 | $45,778 |
| 2025* | $73,884 | $47,161 |
