| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $65,895 | $37,573 |
| 2016 | $67,980 | $37,848 |
| 2017 | $70,094 | $39,480 |
| 2018 | $70,094 | $31,931 |
| 2019 | $74,491 | $32,846 |
| 2020 | $76,435 | $34,790 |
| 2021* | $78,812 | $35,788 |
| 2022* | $81,263 | $36,816 |
| 2023* | $83,790 | $37,872 |
| 2024* | $86,396 | $38,959 |
| 2025* | $89,083 | $40,077 |
