ðə nˈʌmbɚɹ ʌv tˈɛlɚz ɪnðə juːnˈaɪɾᵻd stˈeɪts ɪŋkɹˈiːst fɹʌm ɐpɹˈɑːksɪmətli θɹˈiːhˈʌndɹɪd,zˈiəɹoʊzˈiəɹoʊ zˈiəɹoʊ ɪn nˈaɪntiːnhˈʌndɹɪd sˈɛvənti tʊ ɐpɹˈɑːksɪmətli sˈɪkshˈʌndɹɪd,zˈiəɹoʊzˈiəɹoʊ zˈiəɹoʊ ɪn tˈuː θˈaʊzənd tˈɛn.
The number of tellers in the United States increased from approximately 300,000 in 1970 to approximately 600,000 in 2010.