Rank the following states in descending order of their percentage share of the population in the country's population, as per Census 2011.
Bihar, West Bengal, Rajasthan, Madhya Pradesh
1
Rajasthan-Madhya Pradesh-Bihar-West Bengal
2
Madhya Pradesh-Bihar-Rajasthan-West Bengal
3
Bihar-West Bengal-Madhya Pradesh-Rajasthan
4
Bihar-Madhya Pradesh-Rajasthan-West Bengal