11.   During the past decade the poverty stricken countries of the South have been paying far more money to the rich North than they have been receiving in new money.

12.   In the past decade, the market leaders in the field have been made enormously more sophisticated.

13.   Over the past decade, digestive enzyme activation by lysosomal hydrolases has been implicated as the initial event in three forms of experimental pancreatitis.

14.   Similarly in the past decade, as recently reviewed, several non-invasive and minimally invasive techniques have been pioneered for the management of gall bladder stones.

15.   In the past decade, some CF centres have reported increased isolations of P cepacia that cannot be explained only by improved laboratory proficiency in culture and identification.

16.   The average age of starting and the prevalence of OC use while young has changed strikingly in the past decades.

17.   During the past decade, much research has addressed possible causal factors.

18.   During the past several decades, single-factor causal theories have been replaced by the view that anorexia nervosa is a multifactorial disorder.

19.   In the past decade, supermarkets have developed flourishing bakery operations largely in response to customer demand.

20.   Suddenly, the economic miracle of the past decade began to be recognized for what it was.