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