KB vs kilobyte

KB

name

  • West Kalimantan in Borneo 

symbol

  • kilobyte (1,000 bytes) 

  • kibibyte (1024 bytes). 

kilobyte

noun

  • A unit of storage capacity, equal to 1024 (2¹⁰) bytes : a kibibyte. Frequently abbreviated KB. 

  • 1000 (10³) bytes. SI Symbol: kB 

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