Popularity (masculine) in Brazil (by decade)

1940 1950 1960 1970 1980 1990 3,800 3,040 2,280 1,520 760 1930 2000
    

Numbers

 Euler (masculine) 
 Year   Rank   Times Used 
2000 #624 1627
1990 #678 1882
1980 - -
1970 #925 1123
1960 - -
1950 - -
1940 - -
1930 - -