rank country box office year box office
from national films
rank
country
box office
year
box office from national films
number
number
number
first second first_number second_number
number text unitnum number percentage(number)
1 canada/united states $10.8 billion 2012 59% (2013)
which country received the most box office revenue from national films in 2013 ?
WDT NN VBD DT JJS NN NN NN IN JJ NNS IN CD .