/examples/test_Queries_excel_statistical_priority1_percentrank4.html
import module namespace excel="http://www.zorba-xquery.com/modules/excel/statistical"; excel:percentrank((13, 12, 11, 8, 4, 3, 2, 1, 1, 1), 5)
import module namespace excel="http://www.zorba-xquery.com/modules/excel/statistical"; excel:percentrank((13, 12, 11, 8, 4, 3, 2, 1, 1, 1), 5)