| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $58,130 | $37,827 |
| 2016 | $59,594 | $37,338 |
| 2017 | $61,096 | $38,061 |
| 2018 | $61,096 | $39,002 |
| 2019 | $64,272 | $39,311 |
| 2020 | $65,902 | $40,941 |
| 2021* | $67,563 | $41,735 |
| 2022* | $69,265 | $42,545 |
| 2023* | $71,011 | $43,370 |
| 2024* | $72,800 | $44,212 |
| 2025* | $74,635 | $45,069 |
