| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $64,650 | $40,987 |
| 2016 | $66,578 | $41,978 |
| 2017 | $69,464 | $45,662 |
| 2018 | $69,464 | $43,086 |
| 2019 | $75,112 | $46,771 |
| 2020 | $78,272 | $49,931 |
| 2021* | $81,567 | $53,306 |
| 2022* | $85,001 | $56,910 |
| 2023* | $88,580 | $60,757 |
| 2024* | $92,309 | $64,864 |
| 2025* | $96,195 | $69,249 |