| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $15,588 | $12,765 |
| 2016 | $15,588 | $9,858 |
| 2017 | $15,588 | $10,364 |
| 2018 | $15,588 | $10,006 |
| 2019 | $18,416 | $10,169 |
| 2020 | $19,330 | $11,083 |
| 2021* | $19,330 | $11,264 |
| 2022* | $19,330 | $11,447 |
| 2023* | $19,330 | $11,634 |
| 2024* | $19,330 | $11,823 |
| 2025* | $19,330 | $12,016 |
