| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $62,184 | $29,772 |
| 2016 | $63,690 | $29,590 |
| 2017 | $65,456 | $26,661 |
| 2018 | $65,456 | $33,611 |
| 2019 | $50,265 | $7,136 |
| 2020 | $51,090 | $7,961 |
| 2021* | $51,928 | $7,912 |
| 2022* | $52,779 | $7,864 |
| 2023* | $53,645 | $7,816 |
| 2024* | $54,525 | $7,769 |
| 2025* | $55,419 | $7,721 |