The given pie charts illustrate the proportion of Oscar winners for seven types of films in 2003 and 2008.
A first glance it is clear that the proportion of films changed for all genres. Besides, the percentage of Thrillers accounted highest percentage while the opposite was seen in comedy in this period.
In detail, the proportion of Thrillers that won Oscar dropped from about half in 2003 to nearly a third in 2008. This figure for horror films halved in this period from approximately 20% to 10% .
On other hand, action, science fiction, romance and documentary all rose their share of Oscar between 2003 and 2008. The action film is the genre that got a second position of the number of Oscar winners. The period from 2003 to 2008 witnessed the share of Oscar winners by action films increased remarkable from approximately 16% to a quarter. All science fiction, romance and documentary had a slightly increase, about 5% each. Interestingly, the proportion for comedy films which won Oscar stayed the same in this period, only small minority, 5% for this.