| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $66,940 | $41,658 |
| 2016 | $69,020 | $40,574 |
| 2017 | $71,560 | $48,294 |
| 2018 | $71,560 | $53,572 |
| 2019 | $77,400 | $58,046 |
| 2020 | $79,200 | $59,846 |
| 2021* | $81,663 | $64,843 |
| 2022* | $84,203 | $70,258 |
| 2023* | $86,822 | $76,124 |
| 2024* | $89,522 | $82,480 |
| 2025* | $92,306 | $89,368 |
