| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $43,669 | $39,731 |
| 2016 | $43,669 | $40,079 |
| 2017 | $43,644 | $39,340 |
| 2018 | $43,644 | $39,764 |
| 2019 | $43,644 | $38,563 |
| 2020 | $37,878 | $32,797 |
| 2021* | $37,878 | $32,194 |
| 2022* | $37,878 | $31,601 |
| 2023* | $37,878 | $31,020 |
| 2024* | $37,878 | $30,449 |
| 2025* | $37,878 | $29,889 |