| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $61,498 | $30,040 |
| 2016 | $63,838 | $33,390 |
| 2017 | $66,214 | $35,126 |
| 2018 | $66,214 | $32,268 |
| 2019 | $70,746 | $32,248 |
| 2020 | $73,644 | $35,146 |
| 2021* | $76,450 | $36,974 |
| 2022* | $79,363 | $38,896 |
| 2023* | $82,386 | $40,919 |
| 2024* | $85,525 | $43,047 |
| 2025* | $88,784 | $45,285 |