Decrease

1. While women showed a steady increase, male smokers dropped remarkably after 1980, but began a steady increase again after 1990.

2. There was a sudden decrease in the number of cars sold in Company A in the year between 1990 and 2002.

3. A dramatic decline in the consumption of fish and chips occurred in Britain over the 20 year period while the consumption of hamburgers and pizza has been in slight decrease over the same period with a gradual rise in popularity since 1996

4. Following the sharp decline of male smokers in 1990 to 13%, the number began to rise again, and reached 17% in 2000.

5. This number decreased gradually to 500 by 1974 and continued to decrease but more steeply to 250 in 1995.