| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $62,097 | $36,264 |
| 2016 | $63,621 | $32,432 |
| 2017 | $65,409 | $35,907 |
| 2018 | $65,409 | $31,686 |
| 2019 | $50,001 | $14,668 |
| 2020 | $50,701 | $15,368 |
| 2021* | $51,411 | $13,744 |
| 2022* | $52,131 | $12,291 |
| 2023* | $52,860 | $10,992 |
| 2024* | $53,600 | $9,830 |
| 2025* | $54,351 | $8,791 |