| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $51,068 | $31,654 |
| 2016 | $53,094 | $32,841 |
| 2017 | $54,714 | $33,032 |
| 2018 | $54,714 | $33,659 |
| 2019 | $60,279 | $37,031 |
| 2020 | $64,048 | $40,800 |
| 2021* | $66,591 | $42,330 |
| 2022* | $69,234 | $43,917 |
| 2023* | $71,983 | $45,564 |
| 2024* | $74,841 | $47,273 |
| 2025* | $77,812 | $49,046 |
