| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $45,370 | $29,978 |
| 2016 | $46,948 | $30,262 |
| 2017 | $47,472 | $31,673 |
| 2018 | $47,472 | $30,181 |
| 2019 | $51,846 | $36,589 |
| 2020 | $53,676 | $38,419 |
| 2021* | $55,544 | $40,209 |
| 2022* | $57,477 | $42,083 |
| 2023* | $59,477 | $44,044 |
| 2024* | $61,547 | $46,097 |
| 2025* | $63,689 | $48,245 |
