| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $44,050 | $29,242 |
| 2016 | $45,270 | $29,030 |
| 2017 | $46,790 | $28,585 |
| 2018 | $46,790 | $28,258 |
| 2019 | $50,900 | $30,303 |
| 2020 | $52,606 | $32,009 |
| 2021* | $54,368 | $31,779 |
| 2022* | $56,190 | $31,550 |
| 2023* | $58,072 | $31,323 |
| 2024* | $60,017 | $31,097 |
| 2025* | $62,028 | $30,873 |
