From: Lung cancers attributable to environmental tobacco smoke and air pollution in non-smokers in different European countries: a prospective study
No
Yes
% exposed
France
23821
35433
59.8
Italy
6953
13817
66.5
The Netherlands
7849
13474
63.2
Germany
19279
5592
22.5
Sweden
6673
15455
69.8
Denmark
10216
45786
81.8