| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $55,240 | $29,089 |
| 2016 | $57,506 | $32,451 |
| 2017 | $59,442 | $30,039 |
| 2018 | $59,442 | $29,098 |
| 2019 | $63,514 | $26,556 |
| 2020 | $65,430 | $28,472 |
| 2021* | $67,635 | $27,581 |
| 2022* | $69,914 | $26,718 |
| 2023* | $72,270 | $25,881 |
| 2024* | $74,706 | $25,071 |
| 2025* | $77,224 | $24,286 |
