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<iframe name="ngram_chart" src="https://books.google.com/ngrams/interactive_chart?content=key+performance+indicator&year_start=1945&year_end=2019&corpus=26&smoothing=0" width=900 height=500 marginwidth=0 marginheight=0 hspace=0 vspace=0 frameborder=0 scrolling=no></iframe>

Part-of-speech tags
cook_VERB, _DET_ President

Wildcards
King of *, best *_NOUN

Inflections
shook_INF drive_VERB_INF

Arithmetic compositions
(color /(color + colour))

Corpus selection
I want:eng_2019

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English2019

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Chinese (simplified)2019

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English Fiction2019

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French2019

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German2019

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Hebrew2019

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Italian2019

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Russian2019

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Spanish2019

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American English2012

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British English2012

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Chinese (simplified)2012

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English2012

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English Fiction2012

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French2012

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German2012

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Hebrew2012

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Italian2012

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Russian2012

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Spanish2012

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American English2009

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British English2009

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Chinese (simplified)2009

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English2009

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English Fiction2009

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English One Million2009

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French2009

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German2009

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Hebrew2009

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Russian2009

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Spanish2009

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key performance indicator

English (2019)

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