Note Time Use Survey 2002-2003 Figures that refer to average daily length of time and to the distribution of activities in an average day are presented in hours and minutes Some tables present boxes marked with '*', which means that the number of sample observations for said box is below 30. Therefore, said figure is to be interpreted cautiously. Some tables present boxes marked with the symbol '..' which means that no information has been obtained for said box. Data referring to main activity 11. Main employment includes the data for the code 911. Travel due to main employment and of the main activity 12. Secondary employment includes data for code 912. Data presented for main activity 9. Unspecified time use and travel do, therefore, not include data for code 911 or 912.