Similarly, 84% of entrants to tertiary-type B institutions graduate, compared to the OECD average of 62%. Japan fell from first in mathematics in 2000 to sixth (among OECD countries) in 2006, from second to third in science and from eighth to 12th in reading comprehension. Australia has a Child Care Benefit (CCB), a voucher given to families to help with the cost of care. It varies with family income, the number of children in childcare centres and the type of care received.