| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $49,632 | $37,234 |
| 2016 | $51,388 | $39,985 |
| 2017 | $53,362 | $42,515 |
| 2018 | $53,362 | $42,152 |
| 2019 | $56,902 | $42,275 |
| 2020 | $57,042 | $42,415 |
| 2021* | $59,061 | $42,555 |
| 2022* | $61,152 | $42,695 |
| 2023* | $63,317 | $42,836 |
| 2024* | $65,558 | $42,978 |
| 2025* | $67,879 | $43,119 |
