| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $13,608 | $6,915 |
| 2016 | $13,212 | $5,171 |
| 2017 | $13,212 | $6,343 |
| 2018 | $13,212 | $6,877 |
| 2019 | $14,412 | $8,496 |
| 2020 | $14,612 | $8,696 |
| 2021* | $14,612 | $9,428 |
| 2022* | $14,612 | $10,222 |
| 2023* | $14,612 | $11,083 |
| 2024* | $14,612 | $12,016 |
| 2025* | $14,612 | $13,028 |