| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $64,965 | $28,433 |
| 2016 | $67,000 | $31,522 |
| 2017 | $69,440 | $32,316 |
| 2018 | $69,440 | $29,837 |
| 2019 | $74,590 | $43,327 |
| 2020 | $77,315 | $46,052 |
| 2021* | $80,129 | $48,949 |
| 2022* | $83,046 | $52,028 |
| 2023* | $86,069 | $55,300 |
| 2024* | $89,202 | $58,778 |
| 2025* | $92,449 | $62,476 |