| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $18,000 | $12,558 |
| 2016 | $18,000 | $12,506 |
| 2017 | $18,000 | $12,243 |
| 2018 | $18,000 | $13,096 |
| 2019 | $17,826 | $11,907 |
| 2020 | $17,586 | $11,667 |
| 2021* | $17,586 | $11,431 |
| 2022* | $17,586 | $11,200 |
| 2023* | $17,586 | $10,974 |
| 2024* | $17,586 | $10,752 |
| 2025* | $17,586 | $10,535 |
