"flag:zz:Universidade do Minho","13","26"
"flag:pt:Portugal","8","16"
"flag:us:United States","7","14.000000000000002"
"flag:cn:China","6","12"
"flag:--:N/A","3","6"
"flag:de:Germany","3","6"
"flag:fr:France","2","4"
"flag:th:Thailand","1","2"
"flag:ie:Ireland","1","2"
"flag:jp:Japan","1","2"
"flag:ca:Canada","1","2"
"flag:nl:Netherlands","1","2"
"flag:ua:Ukraine","1","2"
"flag:md:Moldova, Republic of","1","2"
"flag:kr:Korea, Republic of","1","2"