The phrase "year prior" is correct and usable in written English.
It is typically used to refer to a year in the past. For example, "Sales for the company in the year prior were lower than expected."
I made it a year prior to that.
Such precision is unnecessary as there is no chance it could be any year prior.
It went up by a similar amount the year before, and the year prior to that.
So if you play a Confederations Cup a year prior to the World Cup, it's huge.
His total earnings in the year prior to joining the government were almost $8m.
Ad pages for March, Mr. Jones suggested, will be up 30percentt over the year prior.
The year prior, authorities pledged "to accelerate agricultural modernisation and rural development".
It's a reference to the fact that he was unemployed for a year prior to Homeland.
"We are shipping on twice as many computers as the year prior," Mr. DeWalt said.
In the year prior, Rovio posted a loss.
That number was down 17.7percentt from a year prior.
