In this dataset, how many people got Pfizer vaccine? How many people got Moderna? How many people got J&J? using R data set

Type of Vaccine,Site of Vaccine _Right_left,age,sex Moderna,Left,29,F Moderna,Left,45,F Moderna,Left,46,F Moderna,Right,51,F Moderna,Left,56,F Moderna,Left,57,F Moderna,Left,61,F Moderna,Left,62,F Moderna,Left,65,F Moderna,Left,65,F Moderna,Left,65,F Moderna,Right,67,F Moderna,Left,67,F Moderna,Left,67,F Moderna,Left,70,F Moderna,Left,71,F Moderna,Left,71,F Moderna,Right,72,F Moderna,Left,72,F Moderna,Left,72,F Moderna,Left,73,F Moderna,Left,73,F Moderna,right,74,F Moderna,Left,75,F Moderna,Left,77,F Moderna,Left,78,F Moderna,Right,81,F Moderna,Left,84,F Moderna,Left,86,F Moderna,Left,86,F Pfizer,Left,50,F Pfizer,Right,51,F Pfizer,Left,52,F Pfizer,Right,56,F Pfizer,Left,56,F Pfizer,Left,58,F Pfizer,Left,59,F Pfizer,Right,60,F Pfizer,Left,60,F Pfizer,Right,61,F Pfizer,Left,63,F Pfizer,Left,63,F Pfizer,Left,64,F Pfizer,Left,65,F Pfizer,Left,65,F Pfizer,Left,65,F Pfizer,Left,65,F Pfizer,Right,66,F Pfizer,Right,67,F Pfizer,Left,67,F Pfizer,Right,68,F Pfizer,Left,68,F Pfizer,Left,68,F Pfizer,Left,69,F Pfizer,Left,69,F Pfizer,Left,69,F Pfizer,left,69,F Pfizer,Left,69,F Pfizer,Left,69,F Pfizer,Left,70,F Pfizer,Left,70,F Pfizer,Left,70,F Pfizer,left,71,F Pfizer,Left,71,F Pfizer,Left,71,F Pfizer,left,72,F Pfizer,Left,72,F Pfizer,Left,72,F Pfizer,Right,73,F Pfizer,Left,73,F Pfizer,Right,74,F Pfizer,Left,74,F Pfizer,left,74,F Pfizer,Right,75,F Pfizer,Right,76,F Pfizer,Left,76,F Pfizer,left,76,F Pfizer,Left,76,F Pfizer,Left,76,F Pfizer,Left,76,F Pfizer,Right,77,F Pfizer,Left,77,F Pfizer,Left,77,F Pfizer,Right,78,F Pfizer,Left,78,F Pfizer,Left,78,F Pfizer,Left,79,F Pfizer,Left,79,F Pfizer,Right,80,F Pfizer,Left,81,F Pfizer,Left,82,F Pfizer,Left,82,F Pfizer,Left,82,F Pfizer,Left,82,F Pfizer,Right,83,F Pfizer,Right,84,F Pfizer,Right,84,F Pfizer,Left,84,F Pfizer,Left,84,F Pfizer,Left,87,F Pfizer,Right,91,F J&J,Left,55,F J&J,Left,56,F J&J,Right,58,F J&J,left,62,F J&J,left,64,F J&J,left,65,F J&J,left,65,F J&J,left,65,F J&J,left,65,F J&J,left,65,F J&J,right,66,F J&J,Right,66,F J&J,left,66,F J&J,left,66,F J&J,right,67,F J&J,left,67,F J&J,left,67,F J&J,left,68,F J&J,left,68,F J&J,left,68,F J&J,left,68,F J&J,left,68,F J&J,left,68,F J&J,left,69,F J&J,left,69,F J&J,left,69,F J&J,left,69,F J&J,left,69,F J&J,Right,70,F J&J,left,70,F J&J,left,72,F J&J,left,72,F J&J,left,72,F J&J,left,72,F J&J,left,72,F J&J,left,72,F J&J,left,73,F J&J,left,74,F J&J,left,76,F J&J,left,76,F J&J,left,77,F J&J,Left,78,F J&J,left,79,F J&J,Left,79,F Moderna,Left,49,M Moderna,Left,53,M Moderna,Right,60,M Moderna,Left,60,M Moderna,Left,65,M Moderna,Left,66,M Moderna,Left,66,M Moderna,Right,68,M Moderna,Left,70,M Moderna,Left,70,M Moderna,left,71,M Moderna,Left,73,M Moderna,Left,74,M Moderna,Left,76,M Moderna,Left,77,M Moderna,Right,79,M Moderna,Left,80,M Moderna,Left,88,M Moderna,Right,89,M Pfizer,Left,54,M Pfizer,Right,57,M Pfizer,Left,59,M Pfizer,Left,60,M Pfizer,Left,60,M Pfizer,Left,60,M Pfizer,Left,60,M Pfizer,Left,61,M Pfizer,Left,65,M Pfizer,Left,66,M Pfizer,Left,68,M Pfizer,Left,68,M Pfizer,Left,69,M Pfizer,Left,70,M Pfizer,Right,71,M Pfizer,Left,71,M Pfizer,Left,72,M Pfizer,Right,74,M Pfizer,Left,74,M Pfizer,left,74,M Pfizer,Left,75,M Pfizer,Left,75,M Pfizer,Right,76,M Pfizer,Left ,76,M Pfizer,Left,76,M Pfizer,Left,76,M Pfizer,left,76,M Pfizer,Left,76,M Pfizer,Right,77,M Pfizer,Left,77,M Pfizer,Left,77,M Pfizer,Right,78,M Pfizer,Right,79,M Pfizer,Right,79,M Pfizer,Left,79,M Pfizer,Left,79,M Pfizer,Left,79,M Pfizer,Right,81,M Pfizer,Left,82,M Pfizer,Left,82,M Pfizer,Right,83,M Pfizer,Right,85,M Pfizer,Left,85,M Pfizer,Right,86,M Pfizer,Left,89,M J&J,left,63,M J&J,left,65,M J&J,left,65,M J&J,left,66,M J&J,left,66,M J&J,Left,66,M J&J,right,67,M J&J,right,68,M J&J,left,68,M J&J,left,68,M J&J,left,68,M J&J,left,68,M J&J,left,68,M J&J,left,68,M J&J,Left,68,M J&J,left,69,M J&J,left,70,M J&J,left,70,M J&J,left,71,M J&J,left,71,M J&J,left,72,M J&J,left,73,M J&J,left,73,M J&J,left,74,M J&J,right,75,M J&J,left,75,M J&J,left,75,M J&J,left,76,M J&J,right,77,M J&J,left,77,M J&J,left,79,M J&J,left,81,M