9b1629e2_re_Comparison___Google_Updates__Keyword_Planner
[Function] Matchtype in search volume [Keyword Tool] Retrieval of search volume possible for widely, exact and word group [Keyword Planner] 
Retrieval of search volume only possible for exact
Google AdWords Keyword Planner vs. Keyword Tool: SEO & PPC Feature Comparison | Google Updates
Keyword Planner