account statement vs bank account

account statement

noun
  • A record of transactions and their effect on bank account balances 

bank account

noun
  • A fund, held by a bank in a contractual arrangement between the bank and the owner of the fund, a customer of the bank, into which they can deposit and from which they can withdraw money. 

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