| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $64,420 | $36,036 |
| 2016 | $66,490 | $35,593 |
| 2017 | $68,835 | $33,002 |
| 2018 | $68,835 | $30,493 |
| 2019 | $74,275 | $34,497 |
| 2020 | $77,100 | $37,322 |
| 2021* | $79,822 | $36,863 |
| 2022* | $82,639 | $36,410 |
| 2023* | $85,557 | $35,962 |
| 2024* | $88,577 | $35,519 |
| 2025* | $91,703 | $35,082 |