| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $53,616 | $32,413 |
| 2016 | $55,526 | $34,152 |
| 2017 | $57,868 | $35,418 |
| 2018 | $57,868 | $31,968 |
| 2019 | $63,064 | $34,598 |
| 2020 | $65,268 | $36,802 |
| 2021* | $67,592 | $38,778 |
| 2022* | $69,998 | $40,861 |
| 2023* | $72,490 | $43,055 |
| 2024* | $75,070 | $45,367 |
| 2025* | $77,743 | $47,803 |
