の頻度で

how often

→ の
phrase Rare #29,446
how often Used to ask or describe how frequently something happens. Often follows どのくらい or どれくらい.
JA: 週に何回の頻度で運動しますか?
EN: How often do you exercise each week?

どれくらいの頻度でって食べる

How often do you eat persimmons?

どのくらいの頻度でオーストラリア来るの

How often do you come to Australia?