| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $40,800 | $25,460 |
| 2016 | $41,900 | $25,909 |
| 2017 | $43,445 | $26,387 |
| 2018 | $43,445 | $25,097 |
| 2019 | $46,158 | $23,264 |
| 2020 | $47,866 | $24,972 |
| 2021* | $49,632 | $25,412 |
| 2022* | $51,464 | $25,859 |
| 2023* | $53,363 | $26,314 |
| 2024* | $55,332 | $26,777 |
| 2025* | $57,374 | $27,248 |
