Reginald counted two fewer shooting stars than did Bridget, or a total of 14-2=<<14-2=12>>12 shooting stars.
Sam counted 4 more shooting stars than did Reginald, or a total of 12+4=16 shooting stars.
The average number of shooting stars observed for the three of them was (14+12+16)/3 = <<14=14>>14 shooting stars.
Thus, Sam counted 16-14=2 more shooting stars than was the average number of shooting stars observed for the three of them.
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