On Codeforces there are 10034 users from Russia. 43 (42.8 out of 10000) have a rating above 2600 and participated in 6 months.

On Codeforces there are 14710 users from China. 66 (44.8 out of 10000) have a rating above 2600 and participated in 6 months.

On Codeforces there are 1937 users from the U.S. . 19 (92.9 out of 10000) have a rating above 2600 and participated in 6 months.

On Codeforces there are 28925 users from India. Only 5 (1.7 out of 10000) have a rating above 2600 and participated in 6 months.

Why? India have an amount of users more than the rest three countries combined yet so few high rated users.

Why don't they go for the top?