| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $19,144 | $10,391 |
| 2016 | $19,144 | $9,793 |
| 2017 | $20,159 | $10,773 |
| 2018 | $20,159 | $10,577 |
| 2019 | $22,281 | $9,973 |
| 2020 | $23,040 | $10,732 |
| 2021* | $23,826 | $10,537 |
| 2022* | $24,638 | $10,345 |
| 2023* | $25,478 | $10,157 |
| 2024* | $26,347 | $9,972 |
| 2025* | $27,246 | $9,790 |
