The Swiss had an average net household disposable income in 2015 of CHF6,957 ($7,007) a month, the Federal Statistical Office has reported. Every month, around CHF560 was spent on leisure and cultural activities – and CHF89 on cats and dogs. Average net disposable income is calculated by deducting compulsory expenditures from gross income. In 2015, average compulsory expenditures came to CHF2,990 a month, or 30% of gross income. Monthly taxes accounted for CHF1,208 (12.1%), followed by social insurance contributions (9.8%), compulsory health insurance premiums (5.9%) and cash transfers such as maintenance payments (2.2%). The Swiss spend their disposable income mainly on goods and services (53.3% of gross income). Housing and energy is the biggest element (CHF1,460 or 14.7%.) Leisure and culture represent 5.6% of monthly expenditure, such as sports activities (CHF103 a month), cultural activities (CHF82 a month for theatres, concerts, cinemas, museums, radio and television ...