sˈɪmɪlɚli, wˈɜːldwaɪd ˈævɹɪdʒ wˈiːt jˈiːldz hæv ɪŋkɹˈiːst fɹʌm lˈɛs ðɐn wˈʌn tˈiː slˈæʃ hˈɑː ɪn nˈaɪntiːnhˈʌndɹɪd tə mˈoːɹ ðɐn tˈuː.fˈaɪv tˈiː slˈæʃ hˈɑː ɪn nˈaɪntiːnhˈʌndɹɪd nˈaɪnti.
Similarly, worldwide average wheat yields have increased from less than 1 t/ha in 1900 to more than 2.5 t/ha in 1990.