Count Stories Per Space

import groovy.xml.MarkupBuilder

def mapping = WorkItems.search("issuetype = Story").countBy { workItem ->
    ((Map<String, Map>) workItem.fields).project.key
}

def writer = new StringWriter()
def builder = new MarkupBuilder(writer)
builder.table(class: "aui") {
    thead {
        tr {
            th("Space Key")
            th("Count")
        }
    }
    tbody {
        mapping.each { spaceKey, count ->
            tr {
                td {
                    b(spaceKey)
                }
                td(count)
            }
        }
    }
}

writer.toString()