| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $40,980 | $25,378 |
| 2016 | $42,200 | $24,846 |
| 2017 | $43,450 | $26,559 |
| 2018 | $43,450 | $25,660 |
| 2019 | $45,270 | $24,673 |
| 2020 | $47,140 | $26,543 |
| 2021* | $48,545 | $25,986 |
| 2022* | $49,991 | $25,440 |
| 2023* | $51,481 | $24,906 |
| 2024* | $53,015 | $24,383 |
| 2025* | $54,595 | $23,871 |
