| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $36,810 | $20,392 |
| 2016 | $38,160 | $22,161 |
| 2017 | $39,180 | $22,592 |
| 2018 | $39,180 | $22,033 |
| 2019 | $41,445 | $22,186 |
| 2020 | $42,520 | $23,261 |
| 2021* | $43,655 | $23,712 |
| 2022* | $44,821 | $24,172 |
| 2023* | $46,018 | $24,641 |
| 2024* | $47,246 | $25,119 |
| 2025* | $48,508 | $25,607 |
