delirium tremens vs the DTs

delirium tremens

noun
  • A psychosis of chronic alcoholism, usually due to alcohol withdrawal, which can be fatal. Symptoms include sweating, tremors, terrifying hallucinations, insomnia, restlessness, disorientation and anxiety. 

the DTs

How often have the words delirium tremens and the DTs occurred in a corpus of books? (source: Google Ngram Viewer )