As per the data shown in the table given, what is the ratio of the students aged below 18 years to the students aged 18 years or above?
| Age group | 6-9 | 9-12 | 12-15 | 15-18 | 18-21 | 21-24 |
| Number of Students | 14 | 26 | 18 | 12 | 17 | 7 |
1
4 ∶ 3
2
35 ∶ 27
3
35 ∶ 12
4
5 ∶ 9