The line graph displays the proportion of cyclones worldwide which were divided according to their severity such as mild, bad, and severe from 1975 to 2000.
Overall, throughout the period the numbers relating to mild cyclones outnumbered other types of disaster. Moreover, severe cyclones remained less common over the period. In addition, cyclones named bad and severe both declined in 2000.
Looking at the mild category of cyclones first, it was the most fluctuated one rather than others and the considerably highest one with approximately 96 cyclones in 1975 year soon the proportion declined marginally to about 85 cyclones in 1980. From 1980 to 1985 the number of cyclones increased slightly with likely 5 cyclones difference. By contrast, over the last 10 years the rate of mild cyclones followed almost similar pattern mild natural disaster showed several fluctuations with periods of slight rise and decrease. Consequently, by the remaining 5 years the mild cyclone fell considerably from almost 92 to 80 cyclones.
Regarding the other figures, mild category of cyclone showed significant decrease at initial 5 years the change was in 10 cyclones. However, to 1985 added approximately 9 cyclones. Additionally, in the next 10 years numbers rose moderately, but in the last 5 years the proportions fell to likely 45 cyclones in 2000. By mentioning the last category severe cyclones increased steadily until 30 consequently, proportion declined to almost 22 cyclones.