| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $36,318 | $29,207 |
| 2016 | $42,137 | $35,660 |
| 2017 | $44,642 | $40,075 |
| 2018 | $44,642 | $38,999 |
| 2019 | $51,312 | $39,939 |
| 2020 | $52,721 | $41,348 |
| 2021* | $55,853 | $42,808 |
| 2022* | $59,170 | $44,319 |
| 2023* | $62,685 | $45,883 |
| 2024* | $66,408 | $47,503 |
| 2025* | $70,353 | $49,180 |
