however due to the relatively resourceintensive nature of time use surveys these are generally conducted at about fiveyearly intervals with the exception of the united states in interim years or where their implementation is not feasible data on unpaid work and use of time can be collected through survey instruments with lower collection and response burden eg light diaries with precoded time use categories unece a number of initiatives have been launched by national statistical offices and international organisations to spread awareness of genderbased violence