The incidence rate was higher for males than females in the periods 1971– 1993 and 1971–2010 but in the period 1994–2010 the incidence rate was higher for females than males
The incidence rate was higher for males than females in the periods 1971– 1993 and 1971–2010 but in the period 1994–2010 the incidence rate was higher for females than males