But by this year, and following a steady trend, 26 per cent were negative and 48 per cent were positive.

The student population has continued a steady trend of growth of 100 students per school year since the early 2000s.

Trilobites are rarer than in previous periods, on a steady trend towards extinction, represented only by the proetid group.

The art of the strip has shown a steady trend away from thin, pencil-like lines towards a much more variable, ink-brush look.