| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $59,902 | $37,090 |
| 2016 | $61,972 | $40,638 |
| 2017 | $64,504 | $38,874 |
| 2018 | $64,504 | $40,676 |
| 2019 | $69,532 | $43,272 |
| 2020 | $66,408 | $40,148 |
| 2021* | $68,706 | $42,011 |
| 2022* | $71,083 | $43,960 |
| 2023* | $73,542 | $46,000 |
| 2024* | $76,087 | $48,134 |
| 2025* | $78,720 | $50,368 |
