| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $34,130 | $18,615 |
| 2016 | $34,500 | $18,937 |
| 2017 | $34,950 | $17,762 |
| 2018 | $34,950 | $17,494 |
| 2019 | $35,950 | $18,204 |
| 2020 | $35,950 | $18,204 |
| 2021* | $36,338 | $18,204 |
| 2022* | $36,731 | $18,204 |
| 2023* | $37,127 | $18,204 |
| 2024* | $37,528 | $18,204 |
| 2025* | $37,934 | $18,204 |