There's no way to do this with pulldata.
@rukhshan, I would be interested in hearing what you want to do with multiple values pulled out. It is possible to get a nodeset with multiple values using secondary instances and XPath queries (see External data - current state of affairs - #3 by LN for more background) but the only things I can think of that can be done with that is to use the resulting values as choices in a select or concatenate their values together.