| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $17,200 | $9,812 |
| 2016 | $17,200 | $9,974 |
| 2017 | $17,500 | $11,647 |
| 2018 | $17,500 | $9,158 |
| 2019 | $18,000 | $11,816 |
| 2020 | $18,000 | $11,816 |
| 2021* | $18,000 | $12,011 |
| 2022* | $18,000 | $12,209 |
| 2023* | $18,000 | $12,411 |
| 2024* | $18,000 | $12,615 |
| 2025* | $18,000 | $12,824 |
