| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $41,858 | $26,021 |
| 2016 | $43,530 | $26,134 |
| 2017 | $45,420 | $25,946 |
| 2018 | $45,420 | $26,806 |
| 2019 | $48,634 | $27,263 |
| 2020 | $49,814 | $28,443 |
| 2021* | $51,802 | $28,927 |
| 2022* | $53,868 | $29,418 |
| 2023* | $56,018 | $29,918 |
| 2024* | $58,253 | $30,427 |
| 2025* | $60,577 | $30,944 |
