How far you will get 'likes' for your campaigns?

I've had a minimum 1 like and a maximum 7 likes so far. I like to try the same one at different times. It is interesting to see how differently people interact at different times. I like it.

Actually Its Completely Depends On What You Promote. I Think The Good Products Or Services will Automatically Get Max Likes

i get 5 or more, and that's max.

2 or 3 but some time 6 to 7 out of 10

Promotion through other social networks, via email, sms and internet

I am getting more than 5 likes per campaing

2 or 3 likes for each campaign.