| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $24,910 | $16,351 |
| 2016 | $24,910 | $18,588 |
| 2017 | $24,912 | $17,209 |
| 2018 | $24,912 | $16,781 |
| 2019 | $26,782 | $12,808 |
| 2020 | $26,781 | $12,807 |
| 2021* | $26,781 | $12,488 |
| 2022* | $26,781 | $12,177 |
| 2023* | $26,781 | $11,874 |
| 2024* | $26,781 | $11,578 |
| 2025* | $26,781 | $11,290 |