April (feminine) | April (masculine) | |||||
Year | Rank | Percent Used | Rank | Percent Used | ||
2020 | #524 | 0.033 | - | - | ||
2010 | #415 | 0.039 | - | - | ||
2000 | #282 | 0.056 | - | - | ||
1990 | #124 | 0.131 | - | - | ||
1980 | #40 | 0.411 | - | - | ||
1970 | #34 | 0.467 | #1942 | 0.001 | ||
1960 | #139 | 0.150 | - | - | ||
1950 | #266 | 0.052 | - | - | ||
1940 | #440 | 0.020 | - | - | ||
1930 | #1789 | 0.002 | - | - | ||
1920 | - | - | - | - | ||
1910 | - | - | - | - | ||
1900 | - | - | - | - | ||
1890 | - | - | - | - | ||
1880 | - | - | - | - | ||