Heather (feminine) | Heather (masculine) | |||||
Year | Rank | Percent Used | Rank | Percent Used | ||
2020 | #1328 | 0.009 | - | - | ||
2010 | #926 | 0.015 | - | - | ||
2000 | #233 | 0.069 | - | - | ||
1990 | #45 | 0.365 | - | - | ||
1980 | #10 | 1.039 | #1202 | 0.003 | ||
1970 | #8 | 1.239 | #1056 | 0.004 | ||
1960 | #127 | 0.173 | - | - | ||
1950 | #377 | 0.028 | - | - | ||
1940 | #568 | 0.012 | - | - | ||
1930 | #1081 | 0.004 | - | - | ||
1920 | - | - | - | - | ||
1910 | - | - | - | - | ||
1900 | - | - | - | - | ||
1890 | - | - | - | - | ||
1880 | - | - | - | - | ||