| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $64,903 | $40,935 |
| 2016 | $67,316 | $43,525 |
| 2017 | $69,775 | $43,677 |
| 2018 | $69,775 | $44,665 |
| 2019 | $74,375 | $40,096 |
| 2020 | $76,526 | $42,247 |
| 2021* | $79,319 | $43,202 |
| 2022* | $82,214 | $44,178 |
| 2023* | $85,215 | $45,177 |
| 2024* | $88,326 | $46,198 |
| 2025* | $91,549 | $47,242 |