| Year | Total Expenses | Average Net Price | 
|---|---|---|
| 2015 | $14,199 | $9,548 | 
| 2016 | $14,199 | $9,319 | 
| 2017 | $14,199 | $9,694 | 
| 2018 | $14,199 | $9,339 | 
| 2019 | $14,199 | $9,246 | 
| 2020 | $14,199 | $9,246 | 
| 2021* | $14,199 | $9,154 | 
| 2022* | $14,199 | $9,062 | 
| 2023* | $14,199 | $8,971 | 
| 2024* | $14,199 | $8,882 | 
| 2025* | $14,199 | $8,793 |