| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $43,332 | $25,251 |
| 2016 | $44,646 | $25,396 |
| 2017 | $46,004 | $25,902 |
| 2018 | $46,004 | $26,223 |
| 2019 | $50,260 | $27,696 |
| 2020 | $54,350 | $31,786 |
| 2021* | $56,002 | $32,419 |
| 2022* | $57,705 | $33,064 |
| 2023* | $59,459 | $33,722 |
| 2024* | $61,266 | $34,393 |
| 2025* | $63,129 | $35,077 |
