| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $13,624 | $6,784 |
| 2016 | $13,981 | $7,721 |
| 2017 | $14,327 | $7,548 |
| 2018 | $14,327 | $6,372 |
| 2019 | $12,822 | $5,059 |
| 2020 | $12,822 | $5,059 |
| 2021* | $12,822 | $4,946 |
| 2022* | $12,822 | $4,835 |
| 2023* | $12,822 | $4,727 |
| 2024* | $12,822 | $4,621 |
| 2025* | $12,822 | $4,517 |