The private sector proved more deadly than the public sector, with private industry accounting for 90% of fatalities but only about 85% of total hours worked.

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But he also noted that total hours worked moved higher by 0.2 percent in the private sector, including a 1.2 percent increase in manufacturing.

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You might think, then, that if we looked at the average number of hours worked by all those of working age - dividing the total number of hours worked by the working age population - Germany would come out on top.

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That is because the total number of hours worked in the UK has also risen sharply in the past few years.

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Rather, bosses are calculating it on the basis of the total number of hours worked in the year, then dividing that figure by 52.

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They were adding up the national total spent on child care, and dividing it by the number of hours women worked to get the per hour cost of care.

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