| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $47,978 | $29,790 |
| 2016 | $50,760 | $31,156 |
| 2017 | $52,340 | $31,619 |
| 2018 | $52,340 | $31,365 |
| 2019 | $55,974 | $32,182 |
| 2020 | $57,194 | $33,402 |
| 2021* | $58,973 | $34,270 |
| 2022* | $60,807 | $35,161 |
| 2023* | $62,698 | $36,076 |
| 2024* | $64,648 | $37,014 |
| 2025* | $66,658 | $37,976 |
