pay-as-you-go vs season ticket

pay-as-you-go

noun
  • A financial policy by which capital projects are financed from current revenue in the operating budget rather than through borrowing. 

  • A payment method where the charge of a service is taken automatically, usually in small amounts, after the usage, in contrast of paying before usage. Used especially of mobile phones and transport ticketing. 

season ticket

noun
  • A ticket that is valid for multiple rides (limited by number of rides and/or time of travel) by public transit for which individual tickets would otherwise be needed. 

  • A ticket that is valid for all of the events in a series of related events for which individual tickets would otherwise be needed. 

How often have the words pay-as-you-go and season ticket occurred in a corpus of books? (source: Google Ngram Viewer )