1897=4.R.3,1; 1898=5,1; 1899=6,5; 1900=9,4; 1901=11,6; 1902=13,2; 1903=16,2; 1904=17,6; 1905=20,5; 1906=26,5; 1907=29,5; 1908=31,1; 1909=34,3; 1910=36,5; 1911=39,4; 1912=42,1 von: Dänemark. Statistisk Bureau: Statistiske meddelelser
1913=4.R.44,4; 1914=45,4; 1915=49,4; 1916=53,3; 1917=55,4; 1918=57,5; 1919=60,2; 1920=62,3; 1921=65,3; 1922=67,6; 1923=69,4; 1924=71,7; 1925=74,6; 1926=77,5; 1927=80,2; 1928=82,1; 1929=85,2; 1930=88,2 von: Dänemark. Statistisk Departement: Statistiske meddelelser