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Sizes of film crews in 1910–2010 (n = 1000). (a) Number of people; (b) number of jobs; and (c) number of unique jobs per film. The y-axis is on logarithmic scale. The red line depicts the predicted means of the GAM with a 95% confidence band around it in pink. Blue areas mark the periods where, at a 95% credible interval, the increase significantly differed from 0. Significant decrease was not observed.
