| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $59,290 | $39,668 |
| 2016 | $61,910 | $40,684 |
| 2017 | $63,770 | $42,560 |
| 2018 | $63,770 | $41,310 |
| 2019 | $67,020 | $43,964 |
| 2020 | $69,000 | $45,944 |
| 2021* | $71,070 | $48,011 |
| 2022* | $73,202 | $50,172 |
| 2023* | $75,398 | $52,430 |
| 2024* | $77,660 | $54,789 |
| 2025* | $79,990 | $57,255 |
