Numbers of note

6.7 million: The number of subscribers who have listed their telephone numbers with the National Do Not Call Registry to avoid getting unsolicited calls

Rs 8,800 crore: The size of the detergents market in India

$743.29 billion: The market cap of PetroChina, China’s biggest oil company, compared to Reliance Industries’ $101 billion

Rs 800 crore: The estimated amount the Indian economy stands to lose daily if it continues delaying a decision on allocating additional spectrum to telecom companies, according to a Frost & Sullivan report

10 per cent: The proportion of female students at the Indian Institutes of Management, according to a survey by common admission test (CAT) coaching centre Career Launcher

$6.5 billion (Rs 26,000 crore): Total expenses incurred by Harvard University, Yale University and Princeton University during 2006-07 on operations, an increase of 100 per cent from a decade ago

1.3 billion tonnes: India’s annual carbon dioxide emissions. The US is the world’s largest emitter of greenhouse gases (6 billion tonnes), followed by China (5 billion tonnes), Russia (1.5 billion tonnes), India and Japan (1.3 billion tonnes each)

54: The number of Indian billionaires in the world. Their combined net worth, according to US business magazine Forbes, is $368 billion

$82 billion: India’s expected trade deficit in 2007-08, up from $64.9 billion in 2006-07

$4 billion: The value of India’s online tutoring industry, which is growing at an estimated rate of 10-15 per cent per annum

10: Mishandled or lost baggage reported per 1,000 passengers in the US during the first nine months of this year

$100 million (Rs 400 crore): Estimated endorsement income of Tiger Woods this year