| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $50,122 | $31,195 |
| 2016 | $51,814 | $30,148 |
| 2017 | $53,966 | $31,323 |
| 2018 | $53,966 | $31,787 |
| 2019 | $57,530 | $32,048 |
| 2020 | $58,945 | $33,463 |
| 2021* | $60,937 | $33,958 |
| 2022* | $62,997 | $34,461 |
| 2023* | $65,126 | $34,971 |
| 2024* | $67,328 | $35,488 |
| 2025* | $69,603 | $36,014 |
