| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $41,974 | $33,490 |
| 2016 | $42,974 | $34,442 |
| 2017 | $43,974 | $34,419 |
| 2018 | $43,974 | $32,985 |
| 2019 | $46,024 | $30,946 |
| 2020 | $46,024 | $30,946 |
| 2021* | $47,096 | $30,924 |
| 2022* | $48,194 | $30,903 |
| 2023* | $49,317 | $30,881 |
| 2024* | $50,466 | $30,859 |
| 2025* | $51,642 | $30,838 |