| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $44,900 | $26,815 |
| 2016 | $46,830 | $28,285 |
| 2017 | $47,902 | $29,738 |
| 2018 | $47,902 | $27,130 |
| 2019 | $50,320 | $27,879 |
| 2020 | $51,570 | $29,129 |
| 2021* | $52,849 | $30,434 |
| 2022* | $54,160 | $31,797 |
| 2023* | $55,503 | $33,222 |
| 2024* | $56,879 | $34,710 |
| 2025* | $58,290 | $36,265 |
