| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $61,242 | $33,413 |
| 2016 | $63,344 | $35,048 |
| 2017 | $65,480 | $36,258 |
| 2018 | $65,480 | $37,602 |
| 2019 | $71,475 | $44,175 |
| 2020 | $74,814 | $47,514 |
| 2021* | $77,380 | $49,837 |
| 2022* | $80,034 | $52,274 |
| 2023* | $82,779 | $54,831 |
| 2024* | $85,619 | $57,512 |
| 2025* | $88,555 | $60,324 |