| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $66,633 | $50,637 |
| 2016 | $67,554 | $50,255 |
| 2017 | $69,550 | $51,711 |
| 2018 | $69,550 | $50,192 |
| 2019 | $73,388 | $54,153 |
| 2020 | $72,640 | $53,405 |
| 2021* | $73,642 | $53,004 |
| 2022* | $74,659 | $52,607 |
| 2023* | $75,689 | $52,212 |
| 2024* | $76,733 | $51,821 |
| 2025* | $77,792 | $51,432 |
