| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $50,647 | $25,142 |
| 2016 | $52,047 | $26,926 |
| 2017 | $53,784 | $26,689 |
| 2018 | $53,784 | $23,964 |
| 2019 | $56,557 | $25,727 |
| 2020 | $57,992 | $27,162 |
| 2021* | $59,593 | $28,678 |
| 2022* | $61,237 | $30,278 |
| 2023* | $62,927 | $31,967 |
| 2024* | $64,664 | $33,751 |
| 2025* | $66,449 | $35,634 |