How to divide perfumes ?

Perfumes are divided according to the content of the fragrance;

For example, aftershave lotions and splash colognes used by men consists of  0.5-2% of perfume concentrate.

Eau de cologne for men = 3-5%.
Eau de toilette for women = 4-8%.
Eau de parfum for women = 8-15%
Parfum for women = 10-20%