| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $62,424 | $40,363 |
| 2016 | $66,200 | $44,478 |
| 2017 | $66,200 | $44,886 |
| 2018 | $66,200 | $41,294 |
| 2019 | $70,925 | $44,071 |
| 2020 | $71,175 | $44,321 |
| 2021* | $71,424 | $44,729 |
| 2022* | $71,674 | $45,140 |
| 2023* | $71,925 | $45,556 |
| 2024* | $72,177 | $45,975 |
| 2025* | $72,429 | $46,398 |