| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $57,040 | $36,377 |
| 2016 | $58,980 | $36,644 |
| 2017 | $59,236 | $36,599 |
| 2018 | $59,236 | $35,954 |
| 2019 | $64,686 | $39,053 |
| 2020 | $66,394 | $40,761 |
| 2021* | $68,147 | $41,059 |
| 2022* | $69,946 | $41,358 |
| 2023* | $71,792 | $41,660 |
| 2024* | $73,688 | $41,964 |
| 2025* | $75,633 | $42,271 |
