The tournament began in 1980 and it has been held biannually.

The examination has been biannually held since 1994, reportedly with a 5 percent pass rate.

The exercises were held biannually until 2006 when the frequency was increased.

The event was held biannually from 1985 to 1991 and annually thereafter.

World championships were held biannually from 1961 to 2003, and are now held every year.

The highest decision-making authority of the organization is the organization's national conventions, which are held biannually.

The mixed championships have been held biannually since 1987.

Meetings were only held biannually, attendance was minimal, and professional progress slow.

The small chapel of Christ Church is maintained and services are held biannually.

Since then, the competition has been held biannually.