The pie charts provide key information about the proportion of qualified 
graduates
 between 1980 and 2008. The units are measured in percentages . 
Use synonyms
Overall
 it is clear from the graph that in 1980, Linking Words
PhD
 Use synonyms
Science
 was nearly a tenth of Use synonyms
graduates
 but it had tripled during 2008. Use synonyms
In addition
, for Master Sciences over the period it remained stable. Linking Words
Whereas
, first degree Linking Words
arts
 it was quarter of the Use synonyms
graduates
 in the year 1980 Use synonyms
then
 declined significantly in 2008.
Linking Words
According to
 what is shown, in 1980, the largest fraction of the pie was Master's by 29%, First degree Linking Words
Arts
 slightly over 25%, and First degree Use synonyms
Science
 was lower by 19 per Use synonyms
cents
. Fix the agreement mistake
cent
However
, Masters Linking Words
Arts
 and Use synonyms
PhD
 Use synonyms
Science
 were nearly the same at 13 per cent, Use synonyms
while
 Linking Words
PhD
 Use synonyms
Arts
 had the  smallest portion around 2%
In terms of 2008, Master Sciences and Masters Use synonyms
Arts
 remained almost the same ratio. Use synonyms
On the other hand
 , Linking Words
PhD
 Use synonyms
Science
 increased notably to about one-Use synonyms
third, 
First-degree Linking Words
Arts
 significantly declined to 11%, and first-degree Use synonyms
Science
  decreased to 10%. As for, Use synonyms
PhD
 art Use synonyms
graduates
 they increased to 10%.Use synonyms