the graph below shows the proportion of revenue for three films types romance comedies action horror for a Hollywood studio from 1970s to 2000. summarize the information by selecting, reporting the main features and make comparisons where relevant.

The chart demonstares the percentage of income from Romance films, Comedies and Action/horror for a studio in Hollywood between 1970 and 2000. Overall, it is clear that Romance films percentage was highest in the early period, while the year at the end of the period action / horror become the highest contributor. Simultaneously, comedies films fluctuated in the steady range relative to the other two film genres. As the graph is shown, Romance films turnover rate was over 50% in 1970, which was the highest data. After that, the figure started to decline slightly to nearly 40% in 1980, and dropped significantly to its lowest level in 2000, at around 8%. In contrast, action / horror films in the early period accounted for less than 10%, but the figure increased slightly by approximately 15% -20% between 1980 and 1990. On the other hand, the percentage of comedies increased slightly from 32% to 35% in the first 10 years. However, figures for this category decreased gradually and stood at 30% in 2000.