| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $62,329 | $35,742 |
| 2016 | $64,306 | $38,050 |
| 2017 | $66,274 | $43,353 |
| 2018 | $66,274 | $45,627 |
| 2019 | $70,906 | $36,975 |
| 2020 | $73,712 | $39,781 |
| 2021* | $76,049 | $42,351 |
| 2022* | $78,459 | $45,087 |
| 2023* | $80,947 | $47,999 |
| 2024* | $83,513 | $51,100 |
| 2025* | $86,160 | $54,401 |