| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $44,520 | $38,065 |
| 2016 | $45,405 | $38,643 |
| 2017 | $47,750 | $40,761 |
| 2018 | $47,750 | $40,915 |
| 2019 | $49,430 | $41,772 |
| 2020 | $49,430 | $41,772 |
| 2021* | $50,414 | $42,407 |
| 2022* | $51,417 | $43,052 |
| 2023* | $52,440 | $43,706 |
| 2024* | $53,484 | $44,370 |
| 2025* | $54,548 | $45,045 |
