Earlier quoted context omitted.
And BTW is not the 10% only, is around the 20%, close to 2 million cuban's has left in this last 2 years. Everyone is escaping that sinking ship. The government is fully militarized and even complaining about your kid's food can land you in jail for 10 years.
Given the low birth rate of cuba, it's going to create a havoc in the age pyramid. How can a country survive this kind of change?
You either use violence or you wait for them to collapse on their own.