| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $20,394 | $15,559 |
| 2016 | $16,691 | $11,689 |
| 2017 | $16,840 | $11,698 |
| 2018 | $16,840 | $11,552 |
| 2019 | $16,821 | $11,281 |
| 2020 | $17,322 | $11,782 |
| 2021* | $17,322 | $11,635 |
| 2022* | $17,322 | $11,489 |
| 2023* | $17,322 | $11,346 |
| 2024* | $17,322 | $11,204 |
| 2025* | $17,322 | $11,064 |
