| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $61,010 | $49,043 |
| 2016 | $63,170 | $49,706 |
| 2017 | $65,100 | $48,409 |
| 2018 | $65,100 | $48,482 |
| 2019 | $67,714 | $50,627 |
| 2020 | $70,151 | $53,064 |
| 2021* | $72,634 | $53,780 |
| 2022* | $75,206 | $54,506 |
| 2023* | $77,868 | $55,242 |
| 2024* | $80,624 | $55,988 |
| 2025* | $83,479 | $56,744 |
