| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $54,500 | $42,245 |
| 2016 | $54,500 | $45,930 |
| 2017 | $55,590 | $53,030 |
| 2018 | $55,590 | $45,079 |
| 2019 | $59,882 | $55,260 |
| 2020 | $60,482 | $55,860 |
| 2021* | $61,087 | $60,731 |
| 2022* | $61,698 | $66,027 |
| 2023* | $62,315 | $71,784 |
| 2024* | $62,938 | $78,044 |
| 2025* | $63,567 | $84,849 |