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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1942 | 2 |
| 1944 | 1 |
| 1945 | 2 |
| 1946 | 7 |
| 1947 | 9 |
| 1948 | 11 |
| 1949 | 4 |
| 1950 | 4 |
| 1951 | 12 |
| 1952 | 19 |
| 1953 | 24 |
| 1954 | 23 |
| 1955 | 16 |
| 1956 | 8 |
| 1957 | 10 |
| 1958 | 10 |
| 1959 | 10 |
| 1960 | 8 |
| 1961 | 12 |
| 1962 | 10 |
| 1963 | 15 |
| 1964 | 11 |
| 1965 | 12 |
| 1966 | 2 |
| 1967 | 46 |
| 1968 | 149 |
| 1969 | 189 |
| 1970 | 200 |
| 1971 | 191 |
| 1972 | 170 |
| 1973 | 159 |
| 1974 | 159 |
| 1975 | 112 |
| 1976 | 113 |
| 1977 | 146 |
| 1978 | 126 |
| 1979 | 145 |
| 1980 | 146 |
| 1981 | 142 |
| 1982 | 162 |
| 1983 | 170 |
| 1984 | 190 |
| 1985 | 253 |
| 1986 | 253 |
| 1987 | 228 |
| 1988 | 269 |
| 1989 | 311 |
| 1990 | 425 |
| 1991 | 538 |
| 1992 | 503 |
| 1993 | 547 |
| 1994 | 633 |
| 1995 | 613 |
| 1996 | 642 |
| 1997 | 718 |
| 1998 | 769 |
| 1999 | 866 |
| 2000 | 870 |
| 2001 | 971 |
| 2002 | 1109 |
| 2003 | 1057 |
| 2004 | 1187 |
| 2005 | 1430 |
| 2006 | 1499 |
| 2007 | 1846 |
| 2008 | 1760 |
| 2009 | 1699 |
| 2010 | 1815 |
| 2011 | 2048 |
| 2012 | 2029 |
| 2013 | 2222 |
| 2014 | 2385 |
| 2015 | 2636 |
| 2016 | 2519 |
| 2017 | 2593 |
| 2018 | 2673 |
| 2019 | 2746 |
| 2020 | 2587 |
| 2021 | 2185 |
| 2022 | 1771 |
| 2023 | 1345 |
| 2024 | 408 |