| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $61,227 | $35,993 |
| 2016 | $63,047 | $36,919 |
| 2017 | $65,524 | $40,124 |
| 2018 | $65,524 | $35,952 |
| 2019 | $70,382 | $39,987 |
| 2020 | $70,380 | $39,985 |
| 2021* | $72,470 | $41,013 |
| 2022* | $74,623 | $42,067 |
| 2023* | $76,839 | $43,148 |
| 2024* | $79,121 | $44,257 |
| 2025* | $81,471 | $45,394 |
