user
Instruction
Answer the question based on the provided table.


Table
Table Title: participation, employment and unemployment rates of people aged 25 to 54 by aboriginal group and marital status, 2015
Table Content:
<table border="1" cellspacing="0">
<tr> <td rowspan="2">  </td> <td>  </td> <td> single or previously married </td> <td> difference </td> </tr>
<tr> <td colspan="2"> percent </td> <td> percentage points </td> </tr>
<tr> <td> participation rate </td> <td colspan="3">  </td> </tr>
<tr> <td> aboriginal population </td> <td> 81.9 </td> <td> 68.2 </td> <td> 13.7 </td> </tr>
<tr> <td> non-aboriginal population </td> <td> 88.1 </td> <td> 83.7 </td> <td> 4.4 </td> </tr>
<tr> <td>  </td> <td> -6.2 </td> <td> -15.5 </td> <td> .. </td> </tr>
<tr> <td> employment rate </td> <td colspan="3">  </td> </tr>
<tr> <td> aboriginal population </td> <td> 75.1 </td> <td> 57.8 </td> <td> 17.3 </td> </tr>
<tr> <td> non-aboriginal population </td> <td> 84.0 </td> <td> 76.9 </td> <td> 7.1 </td> </tr>
<tr> <td>  </td> <td> -8.9 </td> <td> -19.1 </td> <td> .. </td> </tr>
<tr> <td> unemployment rate </td> <td colspan="3">  </td> </tr>
<tr> <td> aboriginal population </td> <td> 8.3 </td> <td> 15.2 </td> <td> -6.9 </td> </tr>
<tr> <td> non-aboriginal population </td> <td> 4.6 </td> <td> 8.2 </td> <td> -3.6 </td> </tr>
<tr> <td>  </td> <td> 3.7 </td> <td> 7.0 </td> <td> .. </td> </tr>
</table>


Question
using employment rates as an example, what was the percent of non-aboriginal people in couples were employed in 2015?


Answer Format
The final answer should be concise and use the following format:
```json
{
    "answer": [
        "answer1",
        "answer2",
        ...
    ]
}
```
rule
["84.0"]