Data Set 1: 2 Data Set 2: Data Set 3: 1 Data Set 4: 2 Data Set 5: 1 Data Set 6: 1 2 Data Set 7: 1 2 3 Data Set 8: 1 Data Set 9: Data Set 10: Data Set 11: 1 2 Data Set 12: 1 2 3 4 5 6 7 8 9 10