| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $25,280 | $19,361 |
| 2016 | $28,200 | $22,437 |
| 2017 | $28,722 | $22,809 |
| 2018 | $28,722 | $21,592 |
| 2019 | $25,500 | $16,486 |
| 2020 | $25,500 | $16,486 |
| 2021* | $25,500 | $16,486 |
| 2022* | $25,500 | $16,486 |
| 2023* | $25,500 | $16,486 |
| 2024* | $25,500 | $16,486 |
| 2025* | $25,500 | $16,486 |