However, the proportion is much higher in the highest income quintile (82%) than in the lowest (56%). This gap is greater than in Sweden, Denmark and the EU as a whole (Figure 4). Regular smoking among 15-year-old adolescents decreased even more rapidly (from 30% in 2001-02 to 13% in 2013-14), but remains higher than in several EU countries/1 This reflects the positive results of a fairly comprehensive tobacco control policy (see Section 5.1).