| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $58,314 | $41,656 |
| 2016 | $62,628 | $46,003 |
| 2017 | $64,660 | $47,103 |
| 2018 | $64,660 | $47,020 |
| 2019 | $67,932 | $49,271 |
| 2020 | $69,532 | $50,871 |
| 2021* | $71,785 | $52,524 |
| 2022* | $74,111 | $54,231 |
| 2023* | $76,512 | $55,994 |
| 2024* | $78,991 | $57,814 |
| 2025* | $81,550 | $59,693 |
