During the 5 years 2009 to 2013,
more than 20 promoted to Grade B during the first 2.5 years
and not more than 10 promoted to Grade B during the second 2.5 years.
During the 5 years 2009 to 2013,
more than 20 promoted to Grade B during the first 2.5 years
and not more than 10 promoted to Grade B during the second 2.5 years.