The problems, he said, affect about 100,000 children across Iraq under the age of one year.
The change will affect about 2,500 of the system's 213,000 students.
The move will take place next summer and affect about 90 employees.
It is believed to affect about four percent of the population.
All told, the changes will affect about a quarter of a million people.
It affects about 1 percent of American women by age 40.
At any one time it affects about 1% of the world's population.
The condition is very common, affecting about 20% of the general population.
You cannot be sure how it will affect your feelings about the job.
The most common form makes it difficult to tell red from green, a problem that affects about 10 million American men.