Popularity (feminine) in Spain (by decade)

1930 1940 1950 1960 1970 1980 1990 2000 0.300% 0.240% 0.180% 0.120% 0.060% 1920 2010
              

Numbers

 Berta (feminine) 
 Year   Rank   Percent Used 
2010 #77 0.227
2000 #73 0.226
1990 #127 0.115
1980 #176 0.071
1970 #226 0.053
1960 #280 0.034
1950 #313 0.027
1940 #300 0.029
1930 #254 0.043
1920 #348 0.028