| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $52,535 | $32,776 |
| 2016 | $54,940 | $33,122 |
| 2017 | $57,250 | $33,416 |
| 2018 | $57,250 | $30,871 |
| 2019 | $61,200 | $31,977 |
| 2020 | $47,600 | $18,377 |
| 2021* | $49,599 | $18,541 |
| 2022* | $51,682 | $18,706 |
| 2023* | $53,853 | $18,872 |
| 2024* | $56,115 | $19,040 |
| 2025* | $58,472 | $19,209 |