Regarding ARV Vaccination immunity.

Hello doctar   i have exposure once in November 2019 of minor dog bite  ...then as per doctar advise i took 5 dose of rabies vaccine ... 1st dose - 14th november 2019 2nd dose - 17thNovember 2019 3rd dose - 21st November 2019 4th dose - 28 November 2019 5th dose - 9 December 2019 after that i have extreme fear then again in month of january  2020 i came in contact with dog its not bite but sort of lick on my hand where i had a minor cut i dont know exactly whether dog mouth  touched that cut or not ...then i again took 3 dose of rabies vaccine ...booster dose 1st dose -28 December 2019 2nd dose - 10th January 2020 3rd booster dose -4th February 2020 4th  booster dose - 28 February 2020 after that i have extreme fear ...l again on 16h march a street dog touched my feet ...thing i want to know is for how much time the vaccine i took grant immunity for in other words do I need again ??