Statistics revealed that in the next 25 years about 83 million* Chinese will died of lung deseases due to air polution, the use of wood and coal as fuel for heating and cooking, and cigarette smoke. 1 in 2 Chinese males is a smoker, tendency amongst females is rising, too.
It's said that 1 in 3 cigarettes is smoked in China.
That might explain why my packs were always empty so very much faster as expected when I used to smoke ... ages ago.
* That's more than the entire population of Germany.