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Word: cooperation (lookup in dictionary) (lookup stats)
Dates: during 1910-1919
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Word Time Machine

Normalized population density for word "cooperation" throughout decades:

1870s : 0.0253
1880s : 0.1427
1890s : 0.4022
1900s : 0.0222
1910s : 0.1223
1920s : 1.3098
1930s : 1.0790
1940s : 1.7303
1950s : 1.1317
1960s : 1.0121
1970s : 1.0116
1980s : 1.0417
1990s : 0.8604
2000s : 0.9352
2010s : 0.9507