Task: Question Answering
Input (English): Passage: Statistics from the 2010 Census indicate that 87.4% of the Chinese population identify as Buddhists, with significant minorities of adherents identifying as Christians (7.9%), Chinese folk religions (2.7%) and Muslims (0.6%). The majority of the Indian population identify as Hindus (81.1%), with a significant minorities of numbers identifying as Christians (7.8%), Muslims (4.9%) and Buddhists (2.1%). The non-Malay Bumiputera (Malaysia) community are predominantly Christians (44.9%), with significant minorities identifying as Muslims (31.2%) and Buddhists (13.5%). All bumiputera Malays are Muslim. 
Question: How many percent of the Indian population do not identify as Hindu? 
Answer type: Number 
Output (English): 18.9.