| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $54,100 | $40,135 |
| 2016 | $56,190 | $41,263 |
| 2017 | $57,810 | $40,906 |
| 2018 | $57,810 | $40,374 |
| 2019 | $58,409 | $39,423 |
| 2020 | $60,179 | $41,193 |
| 2021* | $61,912 | $40,835 |
| 2022* | $63,695 | $40,479 |
| 2023* | $65,530 | $40,127 |
| 2024* | $67,417 | $39,778 |
| 2025* | $69,359 | $39,432 |
