dependence vs self-determination

dependence

noun
  • The state of being dependent, of relying upon another. 

  • An irresistible physical or psychological need, especially for a chemical substance. 

self-determination

noun
  • The ability or right to make one's own decisions without interference from others 

  • The political independence of a people 

How often have the words dependence and self-determination occurred in a corpus of books? (source: Google Ngram Viewer )