| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $56,332 | $32,774 |
| 2016 | $58,212 | $32,173 |
| 2017 | $60,134 | $31,546 |
| 2018 | $60,134 | $31,117 |
| 2019 | $63,542 | $28,121 |
| 2020 | $64,594 | $29,173 |
| 2021* | $66,726 | $28,639 |
| 2022* | $68,928 | $28,115 |
| 2023* | $71,202 | $27,601 |
| 2024* | $73,552 | $27,095 |
| 2025* | $75,979 | $26,600 |
