In [20]:
tem={'country':['AD','AE','AF'],'year':[2000,2000,2000],'m014':[0,2,52],'m1524':[0,4,228]}
df=pd.DataFrame(tem)
print(df)
  country  year  m014  m1524
0      AD  2000     0      0
1      AE  2000     2      4
2      AF  2000    52    228