"flag:us:United States","17","25.757575757575758"
"flag:zz:Universidade do Minho","10","15.151515151515152"
"flag:cn:China","8","12.121212121212121"
"flag:pt:Portugal","8","12.121212121212121"
"flag:nl:Netherlands","4","6.0606060606060606"
"flag:fr:France","3","4.5454545454545459"
"flag:--:N/A","3","4.5454545454545459"
"flag:ir:Iran, Islamic Republic of","2","3.0303030303030303"
"flag:ru:Russian Federation","2","3.0303030303030303"
"flag:pk:Pakistan","1","1.5151515151515151"
"flag:ca:Canada","1","1.5151515151515151"
"flag:id:Indonesia","1","1.5151515151515151"
"flag:in:India","1","1.5151515151515151"
"flag:de:Germany","1","1.5151515151515151"
"flag:kr:Korea, Republic of","1","1.5151515151515151"
"flag:th:Thailand","1","1.5151515151515151"
"flag:sg:Singapore","1","1.5151515151515151"
"flag:vn:Vietnam","1","1.5151515151515151"