| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $41,699 | $24,782 |
| 2016 | $48,454 | $32,343 |
| 2017 | $47,190 | $27,565 |
| 2018 | $47,190 | $28,854 |
| 2019 | $49,446 | $25,316 |
| 2020 | $50,676 | $26,546 |
| 2021* | $51,938 | $27,788 |
| 2022* | $53,231 | $29,089 |
| 2023* | $54,557 | $30,450 |
| 2024* | $55,915 | $31,875 |
| 2025* | $57,307 | $33,367 |
