bɪɡˈɪnɪŋ ɪn nˈaɪntiːnhˈʌndɹɪd fˈoːɹɾi ˈeɪt fˈoːɹɾi nˈaɪn ɪt wʌz hˈɛld ˈɛvɹi θɹˈiː jˈɪɹz ʌntˈɪl nˈaɪntiːnhˈʌndɹɪd ˈeɪɾi tˈuː ænd ðɛɹˈæftɚɹ ɪt hˈæzbiːn hˈɛld ˈɛvɹi tˈuː jˈɪɹz.
Beginning in 1948–49 it was held every three years until 1982 and thereafter it has been held every two years.