| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $25,541 | $21,367 |
| 2016 | $25,595 | $20,916 |
| 2017 | $25,595 | $20,450 |
| 2018 | $25,595 | $20,849 |
| 2019 | $25,595 | $19,852 |
| 2020 | $26,540 | $20,797 |
| 2021* | $26,540 | $20,358 |
| 2022* | $26,540 | $19,929 |
| 2023* | $26,540 | $19,508 |
| 2024* | $26,540 | $19,097 |
| 2025* | $26,540 | $18,694 |
