| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $36,804 | N/A |
| 2016 | $36,210 | N/A |
| 2017 | $37,292 | $34,943 |
| 2018 | $37,292 | N/A |
| 2019 | $40,118 | $37,893 |
| 2020 | $42,118 | $39,893 |
| 2021* | $43,377 | $41,999 |
| 2022* | $44,674 | $44,217 |
| 2023* | $46,010 | $46,552 |
| 2024* | $47,386 | $49,009 |
| 2025* | $48,803 | $51,597 |
