Contains the estimated number of members for an attribute, as defined by the user.
<AggregationDesignAttribute> <!-- or DimensionAttribute --> ... <EstimatedCount>...</EstimatedCount> ... </AggregationDesignAttribute>
|Data type and length||Long|
|Cardinality||0-1: Optional element that can occur once and only once.|
|Parent elements||AggregationDesignAttribute, DimensionAttribute|
This value is assigned by the user and is used by the AggregationDesign Element (ASSL).