{"Year":1950,"Denmark":0.512,"Netherlands":0.516}
{"Year":1951,"Denmark":0.5174,"Netherlands":0.5158}
{"Year":1952,"Denmark":0.5151,"Netherlands":0.5158}
{"Year":1953,"Denmark":0.5175,"Netherlands":0.5156}
{"Year":1954,"Denmark":0.5148,"Netherlands":0.5157}
{"Year":1955,"Denmark":0.5169,"Netherlands":0.513}
{"Year":1956,"Denmark":0.5153,"Netherlands":0.515}
{"Year":1957,"Denmark":0.5161,"Netherlands":0.5147}
{"Year":1958,"Denmark":0.515,"Netherlands":0.5139}
{"Year":1959,"Denmark":0.5139,"Netherlands":0.5125}
{"Year":1960,"Denmark":0.5121,"Netherlands":0.5135}
{"Year":1961,"Denmark":0.5125,"Netherlands":0.5122}
{"Year":1962,"Denmark":0.5122,"Netherlands":0.5121}
{"Year":1963,"Denmark":0.5132,"Netherlands":0.5141}
{"Year":1964,"Denmark":0.516,"Netherlands":0.5143}
{"Year":1965,"Denmark":0.5148,"Netherlands":0.5141}
{"Year":1966,"Denmark":0.5142,"Netherlands":0.5129}
{"Year":1967,"Denmark":0.5135,"Netherlands":0.5135}
{"Year":1968,"Denmark":0.5164,"Netherlands":0.5116}
{"Year":1969,"Denmark":0.5171,"Netherlands":0.5135}
{"Year":1970,"Denmark":0.514,"Netherlands":0.512,"Canada":0.5147,"USA":0.5134}
{"Year":1971,"Denmark":0.517,"Netherlands":0.5134,"Canada":0.5153,"USA":0.5126}
{"Year":1972,"Denmark":0.5126,"Netherlands":0.5112,"Canada":0.5148,"USA":0.5125}
{"Year":1973,"Denmark":0.5133,"Netherlands":0.5115,"Canada":0.5149,"USA":0.5128}
{"Year":1974,"Denmark":0.5127,"Netherlands":0.5132,"Canada":0.5141,"USA":0.5133}
{"Year":1975,"Denmark":0.5108,"Netherlands":0.5122,"Canada":0.5136,"USA":0.5132}
{"Year":1976,"Denmark":0.5169,"Netherlands":0.5148,"Canada":0.5135,"USA":0.5128}
{"Year":1977,"Denmark":0.5144,"Netherlands":0.5135,"Canada":0.5145,"USA":0.5128}
{"Year":1978,"Denmark":0.514,"Netherlands":0.5126,"Canada":0.5124,"USA":0.5129}
{"Year":1979,"Denmark":0.5141,"Netherlands":0.5123,"Canada":0.5146,"USA":0.5127}
{"Year":1980,"Denmark":0.5125,"Netherlands":0.5128,"Canada":0.5136,"USA":0.5129}
{"Year":1981,"Denmark":0.5108,"Netherlands":0.5107,"Canada":0.5133,"USA":0.5126}
{"Year":1982,"Denmark":0.5141,"Netherlands":0.5128,"Canada":0.5128,"USA":0.5123}
{"Year":1983,"Denmark":0.5117,"Netherlands":0.5113,"Canada":0.5145,"USA":0.5127}
{"Year":1984,"Denmark":0.5132,"Netherlands":0.5132,"Canada":0.5137,"USA":0.5122}
{"Year":1985,"Denmark":0.5111,"Netherlands":0.5111,"Canada":0.5144,"USA":0.5126}
{"Year":1986,"Denmark":0.5142,"Netherlands":0.5087,"Canada":0.5123,"USA":0.5122}
{"Year":1987,"Denmark":0.5173,"Netherlands":0.5136,"Canada":0.512,"USA":0.512}
{"Year":1988,"Denmark":0.5155,"Netherlands":0.5117,"Canada":0.5122,"USA":0.5121}
{"Year":1989,"Denmark":0.5132,"Netherlands":0.5096,"Canada":0.5123,"USA":0.512}
{"Year":1990,"Denmark":0.5145,"Netherlands":0.5132,"Canada":0.5136,"USA":0.512}
{"Year":1991,"Denmark":0.5131,"Netherlands":0.5114}
{"Year":1992,"Denmark":0.5143,"Netherlands":0.5129}
{"Year":1993,"Denmark":0.514,"Netherlands":0.5116}
{"Year":1994,"Denmark":0.5116,"Netherlands":0.5128}