| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $47,240 | $25,161 |
| 2016 | $48,690 | $24,824 |
| 2017 | $50,150 | $26,726 |
| 2018 | $50,150 | $24,099 |
| 2019 | $54,155 | $23,528 |
| 2020 | $55,460 | $24,833 |
| 2021* | $57,124 | $24,500 |
| 2022* | $58,838 | $24,172 |
| 2023* | $60,603 | $23,848 |
| 2024* | $62,421 | $23,528 |
| 2025* | $64,293 | $23,213 |