| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $66,739 | $26,755 |
| 2016 | $69,169 | $26,465 |
| 2017 | $71,764 | $24,709 |
| 2018 | $71,764 | $23,928 |
| 2019 | $76,929 | $26,210 |
| 2020 | $77,069 | $26,350 |
| 2021* | $79,874 | $26,065 |
| 2022* | $82,782 | $25,784 |
| 2023* | $85,795 | $25,505 |
| 2024* | $88,918 | $25,230 |
| 2025* | $92,155 | $24,958 |
