| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $60,272 | $43,643 |
| 2016 | $62,042 | $44,795 |
| 2017 | $63,574 | $45,055 |
| 2018 | $63,574 | $43,763 |
| 2019 | $66,944 | $46,254 |
| 2020 | $66,944 | $46,254 |
| 2021* | $68,598 | $46,522 |
| 2022* | $70,292 | $46,792 |
| 2023* | $72,028 | $47,063 |
| 2024* | $73,807 | $47,336 |
| 2025* | $75,630 | $47,611 |
