| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $16,608 | $12,044 |
| 2016 | $16,822 | $12,137 |
| 2017 | $16,822 | $11,962 |
| 2018 | $16,822 | $12,040 |
| 2019 | $16,822 | $10,737 |
| 2020 | $17,292 | $11,207 |
| 2021* | $17,292 | $11,280 |
| 2022* | $17,292 | $11,353 |
| 2023* | $17,292 | $11,427 |
| 2024* | $17,292 | $11,501 |
| 2025* | $17,292 | $11,576 |
