| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $44,695 | $34,805 |
| 2016 | $45,100 | $33,660 |
| 2017 | $46,846 | $34,635 |
| 2018 | $46,846 | $34,323 |
| 2019 | $50,370 | $32,461 |
| 2020 | $51,640 | $33,731 |
| 2021* | $52,941 | $33,427 |
| 2022* | $54,275 | $33,127 |
| 2023* | $55,643 | $32,828 |
| 2024* | $57,045 | $32,533 |
| 2025* | $58,483 | $32,240 |
