| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $43,215 | $27,246 |
| 2016 | $45,265 | $35,500 |
| 2017 | $47,475 | $35,866 |
| 2018 | $47,475 | $35,629 |
| 2019 | $50,245 | $36,488 |
| 2020 | $51,170 | $37,413 |
| 2021* | $53,595 | $38,315 |
| 2022* | $56,136 | $39,238 |
| 2023* | $58,797 | $40,184 |
| 2024* | $61,584 | $41,152 |
| 2025* | $64,503 | $42,144 |
