World Health Organization 15 billion cigarettes WHO/WPRO-Smoking Statistics WHO/WPRO-Smoking Statistics according to the World Health Organization WHO/WPRO-Smoking Statistics WHO/WPRO-Smoking Statistics «Smoking Statistics» «Smoking Statistics» "WHO/WPRO-Smoking Statistics" WHO/WPRO-Smoking Statistics "WHO/WPRO-Smoking Statistics" 15.000 millones de cigarrillos diarios