| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $62,930 | $30,199 |
| 2016 | $65,355 | $28,443 |
| 2017 | $67,890 | $30,418 |
| 2018 | $67,890 | $27,933 |
| 2019 | $73,266 | $28,806 |
| 2020 | $73,258 | $28,798 |
| 2021* | $76,078 | $28,789 |
| 2022* | $79,007 | $28,781 |
| 2023* | $82,049 | $28,772 |
| 2024* | $85,208 | $28,763 |
| 2025* | $88,489 | $28,755 |