| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $41,020 | $26,388 |
| 2016 | $43,150 | $24,177 |
| 2017 | $44,540 | $27,144 |
| 2018 | $44,540 | $22,583 |
| 2019 | $46,460 | $22,751 |
| 2020 | $46,820 | $23,111 |
| 2021* | $48,328 | $23,282 |
| 2022* | $49,884 | $23,454 |
| 2023* | $51,490 | $23,628 |
| 2024* | $53,148 | $23,803 |
| 2025* | $54,859 | $23,979 |
