quotient

1. N-COUNT Quotient is used when indicating the presence or degree of a characteristic in someone or something. 指數[usu sing, usu n N, N 'of' n]

Being rich doesn't actually increase your happiness quotient. 有錢不見得提陞你的快樂指數。

The island has a high quotient of new age therapists. 該島嶼有很多新世紀治療專家。