| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $44,834 | $30,659 |
| 2016 | $46,300 | $28,601 |
| 2017 | $45,408 | $27,514 |
| 2018 | $45,408 | $26,820 |
| 2019 | $46,080 | $26,854 |
| 2020 | $46,480 | $27,254 |
| 2021* | $46,884 | $26,567 |
| 2022* | $47,292 | $25,898 |
| 2023* | $47,704 | $25,245 |
| 2024* | $48,119 | $24,609 |
| 2025* | $48,537 | $23,989 |
