| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $36,500 | $19,761 |
| 2016 | $37,810 | $20,934 |
| 2017 | $38,905 | $21,805 |
| 2018 | $38,905 | $22,264 |
| 2019 | $40,950 | $20,464 |
| 2020 | $40,200 | $19,714 |
| 2021* | $41,366 | $20,130 |
| 2022* | $42,565 | $20,555 |
| 2023* | $43,800 | $20,988 |
| 2024* | $45,070 | $21,431 |
| 2025* | $46,377 | $21,883 |
