From the mid-1950s there was a significant decrease in farming.
They have shown we should expect a significant decrease in farm incomes.
The increase for senior high students followed a significant decrease in past year heroin use between the 2000-2001 and 2001-2002 school years.
In 1996, it was 5.4 percent but that's not really a significant decrease.
Most of the cuts are related to a significant decrease in state aid.
During the weeks after the talks, there was a significant decrease in violence.
Previous studies have found that there is no significant decrease in sexual intercourse during the summer.
This decline has been the first significant decrease following two decades of growth up to 2007.
There were no significant decreases in people who did not have a family history of the disease.
There has been a significant decrease in interest rates over the last year, so housing sales are much higher now.