| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $41,865 | $24,476 |
| 2016 | $43,180 | $25,256 |
| 2017 | $44,350 | $25,409 |
| 2018 | $44,350 | $24,298 |
| 2019 | $47,414 | $25,161 |
| 2020 | $48,900 | $26,647 |
| 2021* | $50,431 | $27,497 |
| 2022* | $52,009 | $28,374 |
| 2023* | $53,637 | $29,279 |
| 2024* | $55,316 | $30,213 |
| 2025* | $57,047 | $31,177 |
