The phrase "a sharp increase over" is correct and usable in written English.
It can be used to describe a significant rise in a quantity or measurement over a specific period or in comparison to another value.
Example: "There was a sharp increase over the last quarter in the company's sales figures."
Alternatives: "a significant rise in" or "a steep increase in".
More than four million people worked at home in 2000, a sharp increase over a decade ago.
The figure marked a sharp increase over the 2012 death toll of 668.
A recent survey showed that 47percentt of Canadians agreed that marijuana should be legalized, a sharp increase over the number five years ago.
In addition, the F.B.I. has 1,380 small mortgage fraud investigations now open in field offices around the country, a sharp increase over previous years, officials said.
The Post reported that the bureau was now issuing 30,000 national security letters a year, a sharp increase over pre-Sept.
Almost half of Americans believe that corruption is pervasive in the White House under President Trump, a sharp increase over last year, according to a new survey.
This reveals very low methylation variability over all gene promoters up to the TSS and a sharp increase in variability over the first 1 kb of intragenic sequence followed by periodic increase and decrease in variability every 2 kb (Fig. 1B).
That was a sharp increase in spending over the 1990s but is roughly what the Pentagon is spending this year alone.
There has certainly been a sharp increase in weight over the last century, equivalent to a 30-pound gain for a 6-foot man.
The world's seas are around 1.8F degrees (1C) warmer than a century ago, mainly due to a sharp increase in temperature over the past three decades.
The Met, which handles 12% of applications nationally and which is struggling to clear a backlog of 80,000 cases, blames a sharp increase in applications over the past two years and difficulty in recruiting and retaining the staff required to process them.
