http://www.horn-u-copia.net/serial/holtonlist.html
Year Number 1901 1 1902 254 1903 476 1904 526 1905 1151 1906 1872 1907 3345 1908 4630 1909 6071 1910 9474 1911 12,402 1912 15,950 1913 20,807 1914 21,100 1915 31,622 1916 33,671 1917 37,909 1918 41,070 - 43,972 55,000 - 55,249 1919 43,973 - 47,600 55,250 - 57,040 1920 47,601 - 49,817 57,041 - 58,499 70,000 - 70,549 1921 49,818 - 54,999 58,500 - 59,499 70,550 - 73,199 1922 59,500 - 60,599 73,200 - 76,099 1923 60,600 - 61,649 76,100 - 81,000 1924 61,650 - 62,199 81,001 - 85,600 1925 62,200 - 62,899 85,900 - 89,849 1926 62,900 - 63,149 89,850 - 92,799 1927 63,150 - 63,299 92,800 - 97,199 1928 63,300 - 63,549 97,200 - 101,399 1929 63,550 - 63,849 101,400 - 105,199 1930 63,850 - 64,049 105,200 - 108,399 1931 64,050 - 64,149 108,400 - 111,049 1932 111,099 1933 113,990 1934 115,000 1935 117,300 1936 118,600 1937 120,600 1938 122,900 1939 125,850 1940 132,800 1941 140,100 1942 151,300 1943 154,200 1944 154,700 1945 154,900 1946 156,100 1947 165,600 1948 182,000 1949 198,300 1950 210,300 1951 220,500 1952 232,600 1953 243,350 1954 254,100 1955 269,000 1956 281,400 1957 293,700 1958 307,400 1959 315,700 1960 326,100 1961 337,600 1962 348,400 1963 358,500 1964 373,700 1965 388,950 1966 403,351 1967 436,000 1968 455,750 1969 467,100 1970 483,100 1971 496,800 1972 504,201 1973 519,300 1974 524,600 1975 529,900 1976 535,200 1977 542,000 1978 548,430 1979 553,525 1980 558,936