Never
Seldom
Yearly
Monthly
Weekly
More
than once a week
2008
13.4%
13.1%
12.2%
30.8%
27.8%
2010
4.5%
17.0%
13.6%
11.6%
30.1%
23.1%
2012
4.4%
15.3%
12.6%
10.7%
33.2%
23.8%
2014
5.2%
15.1%
13.3%
11.9%
31.8%
22.6%
2016
5.8%
16.8%
13.4%
11.0%
32.7%
20.2%
2017
7.0%
17.1%
13.2%
10.8%
33.0%
18.9%
2018
7.3%
16.6%
13.7%
10.2%
31.9%
20.3%
2019
7.3%
16.9%
13.1%
10.9%
31.7%
20.2%