| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $40,545 | $24,165 |
| 2016 | $41,865 | $24,520 |
| 2017 | $43,186 | $24,667 |
| 2018 | $43,186 | $22,757 |
| 2019 | $45,170 | $24,289 |
| 2020 | $45,970 | $25,089 |
| 2021* | $47,423 | $25,458 |
| 2022* | $48,921 | $25,832 |
| 2023* | $50,467 | $26,212 |
| 2024* | $52,062 | $26,597 |
| 2025* | $53,707 | $26,988 |
