data vs paper trail

data

noun
  • A representation of facts or ideas in a formalized manner capable of being communicated or manipulated by some process. 

  • Information, especially in a scientific or computational context, or with the implication that it is organized. 

  • Recorded observations that are usually presented in a structured format. 

paper trail

noun
  • A written record, history, or collection of evidence. 

  • Records left by a person or organization in the course of activities. 

  • Physical evidence of something that occurred in the past. 

How often have the words data and paper trail occurred in a corpus of books? (source: Google Ngram Viewer )