| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $21,207 | $11,409 |
| 2016 | $21,200 | $13,392 |
| 2017 | $22,840 | $14,346 |
| 2018 | $22,840 | $12,025 |
| 2019 | $22,975 | $13,322 |
| 2020 | $22,975 | $13,322 |
| 2021* | $22,975 | $14,271 |
| 2022* | $22,975 | $15,287 |
| 2023* | $22,975 | $16,375 |
| 2024* | $22,975 | $17,541 |
| 2025* | $22,975 | $18,790 |
