| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $60,710 | $33,602 |
| 2016 | $63,130 | $33,284 |
| 2017 | $64,970 | $36,433 |
| 2018 | $64,970 | $34,187 |
| 2019 | $69,400 | $39,080 |
| 2020 | $72,820 | $42,500 |
| 2021* | $75,726 | $46,219 |
| 2022* | $78,747 | $50,263 |
| 2023* | $81,889 | $54,661 |
| 2024* | $85,156 | $59,444 |
| 2025* | $88,554 | $64,645 |