ɪt hˈæzbiːn hˈɛld sˈɪns nˈaɪntiːnhˈʌndɹɪd sˈɛvənti fˈoːɹ ɛksˈɛpt fɔːɹ tˈuː θˈaʊzənd tˈɛn, wˌɛn ɪt wʌz kˈænsəld dˈuː tə lˈaɪsənsɪŋ ˈɪʃuːz, ænd tˈuː θˈaʊzənd twˈɛnti ænd tˈuː θˈaʊzənd twˈɛnti wˈʌn wɛn ɪt wɛnt vˈɜːtʃuːəl dˈuː tə ðə ɡlˈoʊbəl kˈɑːvɪd nˈaɪntiːn pændˈɛmɪk.
It has been held since 1974 except for 2010, when it was cancelled due to licensing issues, and 2020 and 2021 when it went virtual due to the global COVID-19 pandemic.