| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $42,805 | $24,964 |
| 2016 | $44,286 | $25,894 |
| 2017 | $45,454 | $25,047 |
| 2018 | $45,454 | $25,830 |
| 2019 | $47,754 | $26,702 |
| 2020 | $46,140 | $25,088 |
| 2021* | $47,358 | $25,873 |
| 2022* | $48,608 | $26,683 |
| 2023* | $49,892 | $27,518 |
| 2024* | $51,209 | $28,380 |
| 2025* | $52,561 | $29,268 |
