user
Instruction
Answer the question based on the provided table.


Table
Table Title: main reasons for using cannabis for a medical purpose, by age and sex, household population aged 15 or older, canada excluding territories, 2015
Table Content:
<table border="1" cellspacing="0">
<tr> <td rowspan="3">  </td> <td colspan="3"> pain </td> <td colspan="3"> anxiety, nerves or depression </td> <td colspan="3"> insomnia </td> <td colspan="3"> other </td> </tr>
<tr> <td rowspan="2"> % </td> <td colspan="2"> 95% confidence interval </td> <td rowspan="2"> % </td> <td colspan="2"> 95% confidence interval </td> <td rowspan="2"> % </td> <td colspan="2"> 95% confidence interval </td> <td rowspan="2"> % </td> <td colspan="2"> 95% confidence interval </td> </tr>
<tr> <td> from </td> <td> to </td> <td> from </td> <td> to </td> <td> from </td> <td> to </td> <td> from </td> <td> to </td> </tr>
<tr> <td> total </td> <td> 52.5 </td> <td> 43.6 </td> <td> 61.2 </td> <td> 18.8 </td> <td> 13.0 </td> <td> 26.5 </td> <td> 18.3 </td> <td> 11.7 </td> <td> 27.6 </td> <td> 10 </td> <td> 6.7 </td> <td> 15.5 </td> </tr>
<tr> <td> age group </td> <td colspan="12">  </td> </tr>
<tr> <td> 15 to 24 </td> <td> 53.9 </td> <td> 39.2 </td> <td> 68.0 </td> <td> 22.1 </td> <td> 13.0 </td> <td> 35.0 </td> <td> 10.3 </td> <td> 5.3 </td> <td> 19.0 </td> <td> f </td> <td> .. </td> <td> .. </td> </tr>
<tr> <td> 25 to 44 </td> <td> 45.4 </td> <td> 31.9 </td> <td> 59.6 </td> <td> 24.4 </td> <td> 14.2 </td> <td> 38.8 </td> <td> 22.2 </td> <td> 11.7 </td> <td> 37.9 </td> <td> f </td> <td> .. </td> <td> .. </td> </tr>
<tr> <td> 45 and older </td> <td> 60.9 </td> <td> 45.3 </td> <td> 74.5 </td> <td> f </td> <td> .. </td> <td> .. </td> <td> f </td> <td> .. </td> <td> .. </td> <td> 12 </td> <td> 6.1 </td> <td> 21.1 </td> </tr>
<tr> <td> male </td> <td> 49.3 </td> <td> 38.4 </td> <td> 60.2 </td> <td> 19.8 </td> <td> 12.4 </td> <td> 29.9 </td> <td> 20.8 </td> <td> 12.0 </td> <td> 33.5 </td> <td> 10.2 </td> <td> 5.8 </td> <td> 17.3 </td> </tr>
<tr> <td> age group </td> <td colspan="12">  </td> </tr>
<tr> <td> 15 to 24 </td> <td> 53.3 </td> <td> 35.1 </td> <td> 70.7 </td> <td> 22.4 </td> <td> 11.5 </td> <td> 39.1 </td> <td> f </td> <td> .. </td> <td> .. </td> <td> f </td> <td> .. </td> <td> .. </td> </tr>
<tr> <td> 25 to 44 </td> <td> 46.8 </td> <td> 30.7 </td> <td> 63.6 </td> <td> f </td> <td> .. </td> <td> .. </td> <td> f </td> <td> .. </td> <td> .. </td> <td> f </td> <td> .. </td> <td> .. </td> </tr>
<tr> <td> 45 and older </td> <td> 51.0 </td> <td> 32.0 </td> <td> 69.7 </td> <td> f </td> <td> .. </td> <td> .. </td> <td> f </td> <td> .. </td> <td> .. </td> <td> f </td> <td> .. </td> <td> .. </td> </tr>
<tr> <td> female </td> <td> 60.3 </td> <td> 46.5 </td> <td> 72.7 </td> <td> f </td> <td> .. </td> <td> .. </td> <td> 12.5 </td> <td> 6.7 </td> <td> 22.1 </td> <td> 10.6 </td> <td> 5.7 </td> <td> 18.9 </td> </tr>
<tr> <td> age group </td> <td colspan="12">  </td> </tr>
<tr> <td> 15 to 24 </td> <td> 55.1 </td> <td> 31.1 </td> <td> 76.9 </td> <td>  </td> <td> .. </td> <td> .. </td> <td> f </td> <td> .. </td> <td> .. </td> <td> f </td> <td> .. </td> <td> .. </td> </tr>
<tr> <td> 25 to 44 </td> <td> 40.7 </td> <td> 20.2 </td> <td> 65.0 </td> <td> f </td> <td> .. </td> <td> .. </td> <td> f </td> <td> .. </td> <td> .. </td> <td> f </td> <td> .. </td> <td> .. </td> </tr>
<tr> <td> 45 and older </td> <td> 78.7 </td> <td> 60.3 </td> <td> 90.0 </td> <td> f </td> <td> .. </td> <td> .. </td> <td> f </td> <td> .. </td> <td> .. </td> <td> f </td> <td> .. </td> <td> .. </td> </tr>
</table>


Question
what was the percentage of the past-year sdmnm cannabis users who identified alleviating pain as the primary purpose for their medical use.


Answer Format
The final answer should be concise and use the following format:
```json
{
    "answer": [
        "answer1",
        "answer2",
        ...
    ]
}
```
rule
["52.5"]