| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $69,355 | $38,632 |
| 2016 | $71,917 | $39,819 |
| 2017 | $74,428 | $40,533 |
| 2018 | $74,428 | $40,646 |
| 2019 | $79,539 | $41,997 |
| 2020 | $79,539 | $41,997 |
| 2021* | $82,315 | $42,749 |
| 2022* | $85,188 | $43,514 |
| 2023* | $88,161 | $44,293 |
| 2024* | $91,238 | $45,086 |
| 2025* | $94,422 | $45,893 |