| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $43,192 | $27,733 |
| 2016 | $44,862 | $28,732 |
| 2017 | $46,766 | $28,980 |
| 2018 | $46,766 | $27,729 |
| 2019 | $49,900 | $30,114 |
| 2020 | $49,815 | $30,029 |
| 2021* | $51,743 | $30,287 |
| 2022* | $53,745 | $30,548 |
| 2023* | $55,825 | $30,810 |
| 2024* | $57,986 | $31,075 |
| 2025* | $60,230 | $31,343 |
