| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $66,172 | $40,726 |
| 2016 | $68,244 | $41,866 |
| 2017 | $70,132 | $41,394 |
| 2018 | $70,132 | $39,536 |
| 2019 | $73,816 | $42,824 |
| 2020 | $75,824 | $44,832 |
| 2021* | $77,924 | $46,087 |
| 2022* | $80,083 | $47,378 |
| 2023* | $82,301 | $48,704 |
| 2024* | $84,581 | $50,068 |
| 2025* | $86,924 | $51,470 |
