user
Instruction
Answer the question based on the provided table.


Table
Table Title: citizenship rates among immigrants aged 18 and older who arrived in canada five to nine years ago, by selected socio-demographic characteristics, 1991 to 2016
Table Content:
<table border="1" cellspacing="0">
<tr> <td rowspan="2">  </td> <td> 1991 </td> <td> 1996 </td> <td> 2001 </td> <td> 2006 </td> <td> 2011 </td> <td> 2016 </td> <td> 1996-to-2016 change </td> </tr>
<tr> <td colspan="6"> percent </td> <td> percentage points </td> </tr>
<tr> <td> total </td> <td> 68.6 </td> <td> 75.4 </td> <td> 75.1 </td> <td> 73.0 </td> <td> 67.5 </td> <td> 60.4 </td> <td> -15.0 </td> </tr>
<tr> <td> adult-equivalent family income </td> <td colspan="7">  </td> </tr>
<tr> <td> ≤ $10,000 </td> <td> 65.8 </td> <td> 75.0 </td> <td> 73.1 </td> <td> 69.9 </td> <td> 61.2 </td> <td> 51.5 </td> <td> -23.5 </td> </tr>
<tr> <td> &gt; $10,000 to ≤ $30,000 </td> <td> 68.2 </td> <td> 75.1 </td> <td> 75.1 </td> <td> 71.1 </td> <td> 64.3 </td> <td> 56.0 </td> <td> -19.2 </td> </tr>
<tr> <td> &gt; $30,000 to ≤ $50,000 </td> <td> 69.2 </td> <td> 75.7 </td> <td> 74.2 </td> <td> 72.5 </td> <td> 68.3 </td> <td> 61.0 </td> <td> -14.7 </td> </tr>
<tr> <td> &gt; $50,000 to ≤ $100,000 </td> <td> 69.6 </td> <td> 76.7 </td> <td> 77.2 </td> <td> 77.4 </td> <td> 71.2 </td> <td> 65.7 </td> <td> -11.0 </td> </tr>
<tr> <td> &gt; $100,000 </td> <td> 66.2 </td> <td> 69.7 </td> <td> 75.3 </td> <td> 74.0 </td> <td> 71.5 </td> <td> 66.7 </td> <td> -3.0 </td> </tr>
<tr> <td> language </td> <td colspan="7">  </td> </tr>
<tr> <td> neither english nor french </td> <td> 61.5 </td> <td> 62.1 </td> <td> 68.3 </td> <td> 56.7 </td> <td> 45.6 </td> <td> 32.6 </td> <td> -29.5 </td> </tr>
<tr> <td> other mother tongue, speaks english or french </td> <td> 74.0 </td> <td> 79.7 </td> <td> 78.9 </td> <td> 76.2 </td> <td> 70.5 </td> <td> 63.4 </td> <td> -16.4 </td> </tr>
<tr> <td> english or french mother tongue </td> <td> 60.2 </td> <td> 69.2 </td> <td> 65.0 </td> <td> 66.2 </td> <td> 64.9 </td> <td> 61.0 </td> <td> -8.2 </td> </tr>
<tr> <td> education </td> <td colspan="7">  </td> </tr>
<tr> <td> less than high school </td> <td> 64.7 </td> <td> 69.4 </td> <td> 71.4 </td> <td> 63.4 </td> <td> 59.8 </td> <td> 46.9 </td> <td> -22.5 </td> </tr>
<tr> <td> high school graduate </td> <td> 68.7 </td> <td> 75.7 </td> <td> 74.5 </td> <td> 70.8 </td> <td> 65.4 </td> <td> 55.4 </td> <td> -20.3 </td> </tr>
<tr> <td> some postsecondary </td> <td> 72.1 </td> <td> 78.9 </td> <td> 75.9 </td> <td> 73.8 </td> <td> 67.3 </td> <td> 60.8 </td> <td> -18.1 </td> </tr>
<tr> <td> university degree </td> <td> 73.8 </td> <td> 80.9 </td> <td> 79.3 </td> <td> 77.0 </td> <td> 70.8 </td> <td> 67.1 </td> <td> -13.8 </td> </tr>
<tr> <td> socioeconomic status </td> <td colspan="7">  </td> </tr>
<tr> <td> low income, high school or less education, mother tongue not english or french </td> <td> 68.7 </td> <td> 74.2 </td> <td> 75.6 </td> <td> 69.8 </td> <td> 62.9 </td> <td> 50.7 </td> <td> -23.5 </td> </tr>
<tr> <td> high income, university education, english or french mother tongue </td> <td> 56.9 </td> <td> 67.3 </td> <td> 65.6 </td> <td> 68.8 </td> <td> 66.7 </td> <td> 66.4 </td> <td> -0.9 </td> </tr>
<tr> <td> immigrants not included in above groups </td> <td> 69.1 </td> <td> 76.2 </td> <td> 75.2 </td> <td> 73.9 </td> <td> 68.4 </td> <td> 61.9 </td> <td> -14.3 </td> </tr>
<tr> <td> source country/region </td> <td colspan="7">  </td> </tr>
<tr> <td> united states </td> <td> 31.0 </td> <td> 38.4 </td> <td> 41.7 </td> <td> 41.8 </td> <td> 44.9 </td> <td> 40.5 </td> <td> 2.1 </td> </tr>
<tr> <td> central america </td> <td> 66.4 </td> <td> 77.1 </td> <td> 74.2 </td> <td> 72.1 </td> <td> 67.5 </td> <td> 59.0 </td> <td> -18.1 </td> </tr>
<tr> <td> caribbean </td> <td> 64.7 </td> <td> 72.2 </td> <td> 64.1 </td> <td> 66.5 </td> <td> 67.7 </td> <td> 58.2 </td> <td> -14.0 </td> </tr>
<tr> <td> south america </td> <td> 71.6 </td> <td> 73.8 </td> <td> 68.5 </td> <td> 70.0 </td> <td> 73.8 </td> <td> 72.5 </td> <td> -1.3 </td> </tr>
<tr> <td> northern europe </td> <td> 54.4 </td> <td> 53.9 </td> <td> 45.0 </td> <td> 49.2 </td> <td> 48.1 </td> <td> 45.2 </td> <td> -8.7 </td> </tr>
<tr> <td> western europe </td> <td> 50.2 </td> <td> 52.9 </td> <td> 52.4 </td> <td> 53.5 </td> <td> 47.9 </td> <td> 47.9 </td> <td> -5.0 </td> </tr>
<tr> <td> southern europe </td> <td> 53.8 </td> <td> 52.8 </td> <td> 81.4 </td> <td> 83.5 </td> <td> 78.7 </td> <td> 62.1 </td> <td> 9.4 </td> </tr>
<tr> <td> eastern europe </td> <td> 84.6 </td> <td> 84.3 </td> <td> 83.6 </td> <td> 84.2 </td> <td> 78.6 </td> <td> 71.7 </td> <td> -12.6 </td> </tr>
<tr> <td> africa </td> <td> 78.3 </td> <td> 86.2 </td> <td> 83.0 </td> <td> 76.8 </td> <td> 77.2 </td> <td> 73.8 </td> <td> -12.5 </td> </tr>
<tr> <td> south asia </td> <td> 55.7 </td> <td> 66.0 </td> <td> 68.0 </td> <td> 68.5 </td> <td> 67.2 </td> <td> 59.8 </td> <td> -6.2 </td> </tr>
<tr> <td> southeast asia </td> <td> 79.2 </td> <td> 81.9 </td> <td> 79.0 </td> <td> 74.8 </td> <td> 70.3 </td> <td> 61.3 </td> <td> -20.7 </td> </tr>
<tr> <td> east asia </td> <td> 80.4 </td> <td> 82.9 </td> <td> 80.9 </td> <td> 73.7 </td> <td> 57.0 </td> <td> 44.8 </td> <td> -38.1 </td> </tr>
<tr> <td> west asia </td> <td> 79.7 </td> <td> 86.6 </td> <td> 84.1 </td> <td> 82.1 </td> <td> 74.6 </td> <td> 69.7 </td> <td> -16.9 </td> </tr>
<tr> <td> oceania and other </td> <td> 56.9 </td> <td> 53.9 </td> <td> 50.1 </td> <td> 55.7 </td> <td> 60.7 </td> <td> 49.0 </td> <td> -5.0 </td> </tr>
<tr> <td>  </td> <td colspan="7"> number </td> </tr>
<tr> <td> sample size </td> <td> 64,787 </td> <td> 123,636 </td> <td> 137,708 </td> <td> 138,024 </td> <td> 163,270 </td> <td> 214,067 </td> <td> .. </td> </tr>
</table>


Question
how much did the citizenship rate fall among immigrants with less than a high school education between 1996 and 2016?


Answer Format
The final answer should be concise and use the following format:
```json
{
    "answer": [
        "answer1",
        "answer2",
        ...
    ]
}
```
rule
["22.5"]