highchart Stacked-area - Grouping small series - highcharts

Is there a way to group small series in a new 'Others' series?
I have a chart with some series that are very small, so their areas almost doesn't appears in the chart. So, what I want is to group those small series making a new serie a little bigger called 'Others'.
I did it by grouping my small series before setting them to the chart, but I think it would be better if highchart do it by his own. This way, if we hide a serie clicking in its legend, the chart could recalculte and check if the 'Others' could be ungrouped.
For example:
http://www.highcharts.com/demo/area-stacked
Since Europe and Oceania series are the smallest areas in the chart, is it possible to set some property for Highchart group those 2 series in a new one, called 'Others'? And when we click on the legend to hide some serie, highchart dinamically recalculate to check if the 'Others' serie could be divided again the the 'real' series

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API Reference:
https://api.highcharts.com/highcharts/xAxis.plotBands
Example:
http://jsfiddle.net/8jrxx1t2/

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enter code herehttp://jsfiddle.net/AANAB/
http://jsfiddle.net/AANAB/1/
Try changing the chart type to pie.If you observe now three series will be shown.Why does the column chart consider this as one series and the pie chart as 3 series? My requirement is to be able to render the column chart and pie chart as three separate series for the same given data. Is this possible?
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column can be said as a graph, and pie as a chart.
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there is no mistake in this one. they are rendered properely.
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y: value of the slice
}
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