| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2014 | $35,470 | $23,952 |
| 2015 | $36,648 | $25,130 |
| 2016 | $37,890 | $25,296 |
| 2017 | $39,194 | $25,560 |
| 2018 | $39,194 | $25,039 |
| 2019 | $42,664 | $26,102 |
| 2020* | $44,110 | $26,373 |
| 2021* | $45,606 | $26,648 |
| 2022* | $47,152 | $26,925 |
| 2023* | $48,750 | $27,205 |
| 2024* | $50,403 | $27,488 |
