| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $64,516 | $37,896 |
| 2016 | $66,754 | $38,627 |
| 2017 | $69,046 | $39,079 |
| 2018 | $69,046 | $34,875 |
| 2019 | $73,854 | $35,815 |
| 2020 | $74,422 | $36,383 |
| 2021* | $76,975 | $36,961 |
| 2022* | $79,615 | $37,549 |
| 2023* | $82,346 | $38,146 |
| 2024* | $85,170 | $38,753 |
| 2025* | $88,091 | $39,369 |