| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $16,029 | $11,410 |
| 2016 | $16,071 | $11,142 |
| 2017 | $16,731 | $11,933 |
| 2018 | $16,731 | $12,334 |
| 2019 | $17,025 | $11,240 |
| 2020 | $17,025 | $11,240 |
| 2021* | $17,069 | $11,240 |
| 2022* | $17,114 | $11,240 |
| 2023* | $17,158 | $11,240 |
| 2024* | $17,203 | $11,240 |
| 2025* | $17,247 | $11,240 |