The phrase "a year exclusively" is correct and usable in written English.
It can be used to indicate that something is limited to or focused on a single year without any other considerations.
Example: "The project will be funded for a year exclusively to ensure its success."
Alternatives: "one year only" or "solely for a year".
The plant, which is expected to open in 2015, will produce around 100,000 tons of "high-quality" whey and milk powder a year exclusively for Synutra, the company said.
Alongside the funding announcement, Spring (created by David Tisch and his brother Alan Tisch in August 2014) is also launching an Android version of the app today after having spent almost a year exclusively on iOS.
Uber started out as a way for San Franciscans to hail a black car with your mobile phone, and spent about a year exclusively in that market refining its service.
"Italian design can be really disparate, but with Scandinavian design there's a shared sensibility," said Mr. Wright, 49, whose company holds two sales a year devoted exclusively to vintage Scandinavian design.
The cases occurred every year exclusively between September and December with a peak occurrence in October.
A play for exorcising demons called the Dance of the Red Tiger Devil is performed at fixed seasons of the year exclusively by the priests or lamas wearing awe-inspiring masks of deities and demons.
Since 2011, there has been cooperation between six public housing companies and the senate in providing 275 apartments each year exclusively for asylum seekers and refugees.
An unexpected treasure is the traditional cuckoo clocks that are brought over from Germany's Black Forest region every year, exclusively for sale at the market.
I used to take mini-road trips to take photos, and after I had my daughter, I spent a few years exclusively taking photos of her.
After completing these courses, the student spends a further 2 years exclusively carrying out the practical development of the thesis and preparing the manuscript and final dissertation.
Less obviously Virat Kohli was for three years exclusively a one-day player before being selected for a Test match.
