| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $12,015 | $8,772 |
| 2016 | $12,015 | $9,351 |
| 2017 | $12,000 | $8,678 |
| 2018 | $12,000 | $8,520 |
| 2019 | $12,700 | $9,767 |
| 2020 | $12,700 | $9,767 |
| 2021* | $12,700 | $9,767 |
| 2022* | $12,700 | $9,767 |
| 2023* | $12,700 | $9,767 |
| 2024* | $12,700 | $9,767 |
| 2025* | $12,700 | $9,767 |