| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | N/A | N/A |
| 2016 | $35,013 | $30,084 |
| 2017 | $35,013 | $30,070 |
| 2018 | $35,013 | $29,086 |
| 2019 | $32,865 | $26,013 |
| 2020 | $32,812 | $25,960 |
| 2021* | $32,786 | $25,508 |
| 2022* | $32,760 | $25,064 |
| 2023* | $32,733 | $24,628 |
| 2024* | $32,707 | $24,200 |
| 2025* | $32,681 | $23,779 |