81.  Those concerns increased Tuesday.

82.  Violence increases every year at Christmas, when workers return from industrial areas near major cities to their family homes in KwaZulu-Natal.

83.  Violence increases every year at the Christmas holidays, when workers who live in industrial areas near Johannesburg and other cities return to their family homes.

84.  The prize sum increases each year in line with the profits made by the Nobel Foundation.

85.  Prices increased sharply early this week to levels not seen since last November.