The first US Census was conducted in 1790 and every ten years thereafter.
survey
A census has been conducted every ten years since 1790.
(in the US) A complete and nationwide census is conducted every ten years.
In the United States, the census is conducted every 10 years. The next census will be in 2010.
The census is conducted every ten years. The next one will be in 2021.
depends what for!
Every 4 years.
Every ten years=once a decade
Liverpool and Berlin hosts a passion play every ten years.
every 10 years
census is conducted after every 10 years