With the premise 'Based on our 1992 survey, we estimated lead times for two different   standard  lead times that represent performance for a typical product in the supplier's selection and  shortest  lead times that indicate a supplier's best practice.', is 'We interviewed hundred of suppliers, for our 1992 survey.' simply an unrelated statement?
Based on our 1992 survey, we estimated lead times for two different   standard  lead times that represent performance for a typical product in the supplier's selection and  shortest  lead times that indicate a supplier's best practice.###We interviewed hundred of suppliers, for our 1992 survey.