| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $27,355 | $22,557 |
| 2016 | $27,435 | $21,862 |
| 2017 | $27,717 | $22,132 |
| 2018 | $27,717 | $22,067 |
| 2019 | $29,515 | $23,330 |
| 2020 | $29,515 | $23,330 |
| 2021* | $29,601 | $23,330 |
| 2022* | $29,686 | $23,330 |
| 2023* | $29,773 | $23,330 |
| 2024* | $29,859 | $23,330 |
| 2025* | $29,945 | $23,330 |