It's safe to say that 2015 was a year of huge comebacks from top groups. But which girl groups had the most successful year of all?

News outlet 'News Tomato' compiled all possible data for their '2015 Idol Ranking' list. Down below is the list of top girl groups, so let's take a look!

The official list by 'News Tomato':

1. Girls' Generation

2. SISTAR

3. EXID

4. AOA

5. Red Velvet

6. G-Friend

7. 4minute

8. A Pink

9. Girl's Day

10. f(x)

11. miss A

12. MAMAMOO

13. Brown Eyed Girls

14. TWICE

15. Wonder Girls

16. Lovelyz

17. Nine Muses

18. KARA

The data was gathered from January to November 2015 from the music site Melon's monthly chart Top 100. 'New Tomato' also added in promotions from solo and unit promotions for each group. 

What is included are digital song downloads, physical album sales from the Gaon chart, Melon's YouTube score, how many number one trophies the group won on the four main music shows (M! Countdown, Music Bank, Music Core and Inkigayo) and MV views.

SEE ALSO: Park Bo Young spills the beans on how she scored VIP tickets for Lim Young Woong after being no. 334,222 in line

The categories (in blue) are 'digital sales', 'physical sales', 'YouTube', 'Music shows' and 'Total', in order.

What do you think of the list?