| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $65,400 | $21,856 |
| 2016 | $67,350 | $22,594 |
| 2017 | $69,075 | $22,703 |
| 2018 | $69,075 | $22,384 |
| 2019 | $72,690 | $21,114 |
| 2020 | $74,330 | $22,754 |
| 2021* | $76,233 | $22,863 |
| 2022* | $78,184 | $22,973 |
| 2023* | $80,186 | $23,083 |
| 2024* | $82,239 | $23,194 |
| 2025* | $84,344 | $23,305 |
