| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2014 | N/A | N/A |
| 2015 | $32,788 | $26,489 |
| 2016 | $36,712 | $31,990 |
| 2017 | $34,948 | $31,341 |
| 2018 | $34,948 | $27,041 |
| 2019 | $36,482 | $29,187 |
| 2020* | $37,281 | $30,048 |
| 2021* | $38,097 | $30,934 |
| 2022* | $38,932 | $31,847 |
| 2023* | $39,784 | $32,786 |
| 2024* | $40,656 | $33,754 |
