| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $15,640 | $10,250 |
| 2016 | $15,476 | $10,352 |
| 2017 | $15,944 | $10,677 |
| 2018 | $15,944 | $10,557 |
| 2019 | $17,016 | $10,819 |
| 2020 | $16,984 | $10,787 |
| 2021* | $16,984 | $10,895 |
| 2022* | $16,984 | $11,004 |
| 2023* | $16,984 | $11,114 |
| 2024* | $16,984 | $11,225 |
| 2025* | $16,984 | $11,337 |