| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $48,709 | $26,298 |
| 2016 | $49,115 | $25,233 |
| 2017 | $51,791 | $25,938 |
| 2018 | $51,791 | $23,525 |
| 2019 | $56,311 | $27,182 |
| 2020 | $59,579 | $30,450 |
| 2021* | $62,826 | $31,300 |
| 2022* | $66,250 | $32,173 |
| 2023* | $69,861 | $33,070 |
| 2024* | $73,668 | $33,993 |
| 2025* | $77,683 | $34,942 |
