| The data for this table comes from UMI's Dissertation Abstracts database (1861-2000). A thesis may have more than one classification and hence the numbers in the columns are not independent. |
| Year | Math | Stat | Ed |
| 1861 | 0 | 0 | 0 |
| 1862 | 1 | 1 | 0 |
| 1863 | 0 | 0 | 0 |
| 1864 | 0 | 0 | 0 |
| 1865 | 0 | 0 | 0 |
| 1866 | 1 | 0 | 0 |
| 1867 | 0 | 0 | 0 |
| 1868 | 0 | 0 | 0 |
| 1869 | 0 | 0 | 0 |
| 1870 | 0 | 0 | 0 |
| 1871 | 0 | 0 | 0 |
| 1872 | 0 | 0 | 0 |
| 1873 | 2 | 0 | 0 |
| 1874 | 0 | 0 | 0 |
| 1875 | 0 | 0 | 0 |
| 1876 | 2 | 0 | 0 |
| 1877 | 1 | 0 | 0 |
| 1878 | 1 | 0 | 0 |
| 1879 | 2 | 0 | 0 |
| 1880 | 3 | 0 | 0 |
| 1881 | 1 | 0 | 0 |
| 1882 | 1 | 0 | 0 |
| 1883 | 2 | 0 | 0 |
| 1884 | 3 | 0 | 0 |
| 1885 | 5 | 0 | 0 |
| 1886 | 5 | 0 | 0 |
| 1887 | 3 | 0 | 0 |
| 1888 | 4 | 0 | 0 |
| 1889 | 2 | 0 | 0 |
| 1890 | 1 | 0 | 0 |
| 1891 | 3 | 0 | 0 |
| 1892 | 3 | 0 | 0 |
| 1893 | 8 | 0 | 0 |
| 1894 | 7 | 0 | 0 |
| 1895 | 10 | 0 | 0 |
| 1896 | 12 | 0 | 0 |
| 1897 | 7 | 0 | 0 |
| 1898 | 14 | 0 | 0 |
| 1899 | 13 | 0 | 0 |
| 1900 | 13 | 0 | 0 |
| 1901 | 20 | 0 | 0 |
| 1902 | 8 | 0 | 0 |
| 1903 | 11 | 0 | 0 |
| 1904 | 20 | 0 | 0 |
| 1905 | 17 | 0 | 0 |
| 1906 | 17 | 0 | 0 |
| 1907 | 21 | 0 | 0 |
| 1908 | 19 | 0 | 0 |
| 1909 | 18 | 0 | 0 |
| 1910 | 30 | 0 | 1 |
| 1911 | 29 | 1 | 0 |
| 1912 | 24 | 0 | 0 |
| 1913 | 30 | 0 | 1 |
| 1914 | 30 | 0 | 0 |
| 1915 | 33 | 0 | 1 |
| 1916 | 37 | 0 | 2 |
| 1917 | 36 | 0 | 1 |
| 1918 | 22 | 0 | 1 |
| 1919 | 11 | 0 | 0 |
| 1920 | 24 | 0 | 0 |
| 1921 | 18 | 0 | 0 |
| 1922 | 34 | 1 | 0 |
| 1923 | 47 | 1 | 1 |
| 1924 | 49 | 1 | 1 |
| 1925 | 33 | 1 | 1 |
| 1926 | 69 | 0 | 0 |
| 1927 | 65 | 1 | 3 |
| 1928 | 53 | 0 | 4 |
| 1929 | 79 | 3 | 3 |
| 1930 | 85 | 0 | 8 |
| 1931 | 78 | 3 | 5 |
| 1932 | 67 | 0 | 4 |
| 1933 | 52 | 2 | 6 |
| 1934 | 101 | 0 | 7 |
| 1935 | 87 | 0 | 3 |
| 1936 | 89 | 0 | 3 |
| 1937 | 89 | 1 | 6 |
| 1938 | 66 | 0 | 2 |
| 1939 | 102 | 0 | 0 |
| 1940 | 115 | 0 | 1 |
| 1941 | 109 | 0 | 0 |
| 1942 | 82 | 0 | 0 |
| 1943 | 50 | 0 | 1 |
| 1944 | 45 | 1 | 0 |
| 1945 | 35 | 0 | 0 |
| 1946 | 46 | 0 | 0 |
| 1947 | 100 | 0 | 1 |
| 1948 | 125 | 0 | 1 |
| 1949 | 112 | 0 | 0 |
| 1950 | 166 | 1 | 0 |
| 1951 | 190 | 0 | 2 |
| 1952 | 210 | 0 | 1 |
| 1953 | 243 | 0 | 0 |
| 1954 | 246 | 0 | 0 |
| 1955 | 261 | 0 | 1 |
| 1956 | 244 | 0 | 1 |
| 1957 | 262 | 0 | 0 |
| 1958 | 255 | 1 | 0 |
| 1959 | 315 | 1 | 2 |
| 1960 | 314 | 0 | 0 |
| 1961 | 367 | 0 | 4 |
| 1962 | 448 | 3 | 8 |
| 1963 | 560 | 5 | 2 |
| 1964 | 637 | 5 | 2 |
| 1965 | 784 | 16 | 1 |
| 1966 | 856 | 58 | 0 |
| 1967 | 865 | 119 | 1 |
| 1968 | 1029 | 183 | 1 |
| 1969 | 1088 | 204 | 0 |
| 1970 | 1157 | 223 | 0 |
| 1971 | 1184 | 247 | 0 |
| 1972 | 1167 | 267 | 1 |
| 1973 | 1030 | 193 | 0 |
| 1974 | 964 | 251 | 6 |
| 1975 | 872 | 209 | 47 |
| 1976 | 727 | 203 | 141 |
| 1977 | 734 | 199 | 124 |
| 1978 | 661 | 194 | 132 |
| 1979 | 620 | 210 | 151 |
| 1980 | 612 | 211 | 140 |
| 1981 | 569 | 215 | 101 |
| 1982 | 606 | 230 | 119 |
| 1983 | 547 | 229 | 114 |
| 1984 | 581 | 246 | 115 |
| 1985 | 572 | 215 | 116 |
| 1986 | 635 | 225 | 130 |
| 1987 | 736 | 272 | 139 |
| 1988 | 976 | 341 | 172 |
| 1989 | 1110 | 419 | 227 |
| 1990 | 1257 | 487 | 275 |
| 1991 | 1463 | 553 | 253 |
| 1992 | 1644 | 701 | 357 |
| 1993 | 1485 | 610 | 307 |
| 1994 | 1445 | 628 | 354 |
| 1995 | 1561 | 632 | 371 |
| 1996 | 1321 | 585 | 385 |
| 1997 | 1403 | 648 | 378 |
| 1998 | 1401 | 592 | 330 |
| 1999 | 796 | 351 | 192 |
| 2000 | 2 | 2 | 0 |
| Total: | 41847 | 11201 | 5271 |