| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $36,511 | $20,704 |
| 2016 | $37,162 | $21,407 |
| 2017 | $39,102 | $20,824 |
| 2018 | $39,102 | $19,734 |
| 2019 | $42,712 | $22,109 |
| 2020 | $43,171 | $22,568 |
| 2021* | $43,939 | $23,037 |
| 2022* | $44,722 | $23,517 |
| 2023* | $45,518 | $24,006 |
| 2024* | $46,328 | $24,505 |
| 2025* | $47,152 | $25,015 |
