user
Instruction
Answer the question based on the provided table.


Table
Table Title: average sector output (nominal), average foreign-controlled market shares (nominal), and percentage change in foreign control, by sector
Table Content:
<table border="1" cellspacing="0">
<tr> <td rowspan="3"> sector </td> <td colspan="3"> average sector output share </td> <td colspan="3"> average foreign-controlled market share </td> <td colspan="3"> percentage change in foreign control </td> </tr>
<tr> <td> 1973 to 1975 </td> <td> 1997 to 1999 </td> <td> 2009 to 2011 </td> <td> 1973 to 1975 </td> <td> 1997 to 1999 </td> <td> 2009 to 2011 </td> <td> between the 1973-to-1975 and 1997-to-1999 periods </td> <td> between the 1997-to-1999 and 2009-to-2011 periods </td> <td> between the 1973-to-1975 and 2009-to-2011 periods </td> </tr>
<tr> <td colspan="9"> percent </td> </tr>
<tr> <td> food, beverage and tobacco </td> <td> 19.6 </td> <td> 13.7 </td> <td> 17.7 </td> <td> 35.8 </td> <td> 46.7 </td> <td> 32.8 </td> <td> 30.5 </td> <td> -29.9 </td> <td> -8.5 </td> </tr>
<tr> <td> natural-resources-based </td> <td> 15.5 </td> <td> 14.7 </td> <td> 26.3 </td> <td> 57.9 </td> <td> 40.8 </td> <td> 48.4 </td> <td> -29.5 </td> <td> 18.7 </td> <td> -16.3 </td> </tr>
<tr> <td> labour-intensive </td> <td> 14.4 </td> <td> 10.1 </td> <td> 8.8 </td> <td> 34.6 </td> <td> 29.6 </td> <td> 21.4 </td> <td> -14.4 </td> <td> -27.7 </td> <td> -38.1 </td> </tr>
<tr> <td> scale-based </td> <td> 34.8 </td> <td> 41.8 </td> <td> 29.1 </td> <td> 57.0 </td> <td> 61.1 </td> <td> 58.0 </td> <td> 7.2 </td> <td> -5.2 </td> <td> 1.6 </td> </tr>
<tr> <td> product-differentiated </td> <td> 8.6 </td> <td> 9.7 </td> <td> 9.0 </td> <td> 56.2 </td> <td> 47.9 </td> <td> 34.0 </td> <td> -14.7 </td> <td> -29.0 </td> <td> -39.5 </td> </tr>
<tr> <td> science-based </td> <td> 7.0 </td> <td> 10.0 </td> <td> 9.1 </td> <td> 72.6 </td> <td> 50.8 </td> <td> 46.6 </td> <td> -30.0 </td> <td> -8.2 </td> <td> -35.8 </td> </tr>
<tr> <td> manufacturing </td> <td> 100.0 </td> <td> 100.0 </td> <td> 100.0 </td> <td> 50.8 </td> <td> 50.7 </td> <td> 44.6 </td> <td> -0.2 </td> <td> -12.1 </td> <td> -12.3 </td> </tr>
</table>


Question
what were the shares of manufacturing output of scale-based industries between 1973 to 1975 and 1997 to 1999 respectively?


Answer Format
The final answer should be concise and use the following format:
```json
{
    "answer": [
        "answer1",
        "answer2",
        ...
    ]
}
```
rule
["34.8", "41.8"]