| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $46,430 | $23,344 |
| 2016 | $47,940 | $24,032 |
| 2017 | $49,690 | $24,192 |
| 2018 | $49,690 | $22,530 |
| 2019 | $53,000 | $21,696 |
| 2020 | $54,510 | $23,206 |
| 2021* | $56,282 | $23,361 |
| 2022* | $58,111 | $23,518 |
| 2023* | $59,999 | $23,676 |
| 2024* | $61,949 | $23,834 |
| 2025* | $63,963 | $23,994 |
