Although the book's first half charts a few more of Kirstein's homosexual liaisons than it needs, Mr. Duberman is never salacious.
That briefly cut global spam volumes in half (see chart).
That has since fallen by more than half (see chart 3).
They now make up one-third of the labour force, up from 18% in 1984, and among women the share is more than half (see chart 4).
According to the Food and Agriculture Organisation FAOO), a third of fish stocks in the oceans are over-exploited; some estimates say the proportion is more than half (see chart).
Globally, research funding has doubled since 1991, but the number of new drugs emerging each year has fallen by half (see chart).
Cocaine and heroin have declined by nearly a third, while ecstasy has dropped by more than half (see chart).In real terms, the figures, compiled by the National Criminal Intelligence Service (NCIS), represent an even sharper fall.
In the year to January 1999, the charter rate for a 1,700-container 1,700-containerby more than half (see chart), according to Clarkson Research Studies, a market-research subsidiary of a British shipbroker.
Whereas around 30% of America's merchandise exports conventionally go to Asia, the share for Oregon is almost two-thirds and for California, the nation's biggest exporter, just over half (see chart).
If re-exports from Hong Kong are included in China's exports to America, the gap between the trade figures reported by China and by America is reduced by about half (see chart, right-hand side).
