| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $64,360 | $31,134 |
| 2016 | $66,670 | $32,763 |
| 2017 | $69,180 | $33,012 |
| 2018 | $69,180 | $34,214 |
| 2019 | $74,460 | $40,660 |
| 2020 | $71,480 | $37,680 |
| 2021* | $74,046 | $39,052 |
| 2022* | $76,704 | $40,473 |
| 2023* | $79,458 | $41,946 |
| 2024* | $82,311 | $43,473 |
| 2025* | $85,266 | $45,056 |
