| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $44,884 | $24,857 |
| 2016 | $46,168 | $24,208 |
| 2017 | $47,907 | $25,187 |
| 2018 | $47,907 | $23,930 |
| 2019 | $50,968 | $23,353 |
| 2020 | $51,968 | $24,353 |
| 2021* | $53,454 | $23,766 |
| 2022* | $54,983 | $23,193 |
| 2023* | $56,556 | $22,634 |
| 2024* | $58,173 | $22,089 |
| 2025* | $59,837 | $21,557 |
