Viola (feminine) | Viola (masculine) | |||||
Year | Rank | Percent Used | Rank | Percent Used | ||
2020 | #1090 | 0.013 | - | - | ||
2010 | #1282 | 0.010 | - | - | ||
2000 | - | - | - | - | ||
1990 | - | - | - | - | ||
1980 | #1596 | 0.004 | - | - | ||
1970 | #1145 | 0.006 | - | - | ||
1960 | #596 | 0.014 | - | - | ||
1950 | #384 | 0.027 | - | - | ||
1940 | #245 | 0.056 | - | - | ||
1930 | #147 | 0.129 | - | - | ||
1920 | #86 | 0.268 | - | - | ||
1910 | #58 | 0.389 | - | - | ||
1900 | #45 | 0.533 | #1026 | 0.004 | ||
1890 | #65 | 0.399 | #1492 | 0.001 | ||
1880 | #81 | 0.272 | - | - | ||