| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $39,008 | $32,813 |
| 2016 | $40,258 | $34,671 |
| 2017 | $42,033 | $35,962 |
| 2018 | $42,033 | $36,096 |
| 2019 | $43,875 | $35,573 |
| 2020 | $43,875 | $35,573 |
| 2021* | $45,279 | $35,705 |
| 2022* | $46,728 | $35,837 |
| 2023* | $48,223 | $35,969 |
| 2024* | $49,766 | $36,102 |
| 2025* | $51,359 | $36,236 |
