| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $34,878 | $32,540 |
| 2016 | $35,522 | $31,415 |
| 2017 | $36,835 | $33,545 |
| 2018 | $36,835 | $33,552 |
| 2019 | $38,960 | $36,048 |
| 2020 | $38,960 | $36,048 |
| 2021* | $39,681 | $36,055 |
| 2022* | $40,415 | $36,062 |
| 2023* | $41,163 | $36,070 |
| 2024* | $41,924 | $36,077 |
| 2025* | $42,700 | $36,084 |
