(based on purchasing-power-parity exchange rates;

United States = 100.0)

1950 1960 1970 1980 1986

United States 100 100 100 100 100

11-country average 44.3 51.7 63.6 76.2 78.9

Canada 76.9 80.1 84.1 92.8 95

Japan 15.2 23.3 45.7 62.7 68.9

Belgium 46.9 50.3 62.2 79.7 81.3

Denmark 49* 53.5 60.1 66.6 68.8

France 36.9 46.1 61.9 80.2 84.3

West Germany 32.2 49.2 61.7 77.4 80.9

Italy 30.9 43.9 66.4 81 82.9

The Netherlands 56.7 64.2 78 90.7 86.3

Norway 44.5 52 58.5 75.1 80.2

Sweden 44* 51.8 62.6 66.6 68.8

United Kingdom 53.8 54.2 57.9 65.8 70.4

*Extrapolated by author.

Source: Bureau of Labor Statistics, U.S. Department of Labor,

unpublished tables dated August 1987.