| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $50,224 | $29,576 |
| 2016 | $50,720 | $30,247 |
| 2017 | $51,256 | $31,202 |
| 2018 | $51,256 | $30,479 |
| 2019 | $58,244 | $32,395 |
| 2020 | $60,368 | $34,519 |
| 2021* | $61,008 | $35,610 |
| 2022* | $61,655 | $36,735 |
| 2023* | $62,308 | $37,896 |
| 2024* | $62,969 | $39,093 |
| 2025* | $63,636 | $40,329 |
