| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $60,558 | $39,119 |
| 2016 | $62,636 | $42,512 |
| 2017 | $64,906 | $43,432 |
| 2018 | $64,906 | $42,094 |
| 2019 | $70,113 | $45,771 |
| 2020 | $74,680 | $50,338 |
| 2021* | $77,383 | $54,702 |
| 2022* | $80,185 | $59,445 |
| 2023* | $83,087 | $64,599 |
| 2024* | $86,095 | $70,200 |
| 2025* | $89,212 | $76,286 |
