| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $41,700 | $24,874 |
| 2016 | $41,508 | $24,860 |
| 2017 | $42,711 | $25,619 |
| 2018 | $42,711 | $23,801 |
| 2019 | $44,811 | $24,085 |
| 2020 | $44,547 | $23,821 |
| 2021* | $44,547 | $23,807 |
| 2022* | $44,547 | $23,792 |
| 2023* | $44,547 | $23,778 |
| 2024* | $44,547 | $23,764 |
| 2025* | $44,547 | $23,750 |
