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Word: observations (lookup in dictionary) (lookup stats)
Dates: during 174898-174898
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Word Time Machine

Normalized population density for word "observations" throughout decades:

1870s : 1.2936
1880s : 1.5802
1890s : 2.4095
1900s : 1.6294
1910s : 0.7963
1920s : 1.5689
1930s : 1.5306
1940s : 0.8380
1950s : 0.9163
1960s : 1.0418
1970s : 1.0592
1980s : 0.9164
1990s : 0.7396
2000s : 0.6816
2010s : 1.1047