"flag:us:United States","23","31.081081081081081"
"flag:pt:Portugal","21","28.378378378378379"
"flag:cn:China","9","12.162162162162163"
"flag:zz:Universidade do Minho","7","9.4594594594594597"
"flag:fr:France","4","5.4054054054054053"
"flag:br:Brazil","2","2.7027027027027026"
"flag:de:Germany","2","2.7027027027027026"
"flag:nl:Netherlands","2","2.7027027027027026"
"flag:--:N/A","2","2.7027027027027026"
"flag:ba:Bosnia and Herzegovina","1","1.3513513513513513"
"flag:ng:Nigeria","1","1.3513513513513513"