| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $61,865 | $37,531 |
| 2016 | $63,512 | $37,550 |
| 2017 | $65,818 | $36,828 |
| 2018 | $65,818 | $34,226 |
| 2019 | $70,664 | $32,497 |
| 2020 | $72,744 | $34,577 |
| 2021* | $74,883 | $33,913 |
| 2022* | $77,084 | $33,262 |
| 2023* | $79,351 | $32,623 |
| 2024* | $81,683 | $31,997 |
| 2025* | $84,085 | $31,383 |
