| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $15,613 | $10,797 |
| 2016 | $15,613 | $10,842 |
| 2017 | $15,699 | $10,661 |
| 2018 | $15,699 | $10,555 |
| 2019 | $16,339 | $10,490 |
| 2020 | $16,591 | $10,742 |
| 2021* | $16,682 | $10,675 |
| 2022* | $16,774 | $10,609 |
| 2023* | $16,866 | $10,543 |
| 2024* | $16,959 | $10,478 |
| 2025* | $17,052 | $10,413 |
