| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $38,400 | $33,957 |
| 2016 | $38,560 | $35,537 |
| 2017 | $39,363 | $35,268 |
| 2018 | $39,363 | $34,823 |
| 2019 | $39,963 | $36,131 |
| 2020 | $39,963 | $36,131 |
| 2021* | $40,131 | $36,131 |
| 2022* | $40,299 | $36,131 |
| 2023* | $40,469 | $36,131 |
| 2024* | $40,639 | $36,131 |
| 2025* | $40,809 | $36,131 |