| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $53,294 | $31,465 |
| 2016 | $55,366 | $32,890 |
| 2017 | $57,090 | $33,518 |
| 2018 | $57,090 | $32,380 |
| 2019 | $63,002 | $36,249 |
| 2020 | $64,658 | $37,905 |
| 2021* | $66,669 | $39,622 |
| 2022* | $68,742 | $41,417 |
| 2023* | $70,880 | $43,293 |
| 2024* | $73,085 | $45,254 |
| 2025* | $75,357 | $47,304 |
