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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1931 | 1 |
| 1937 | 1 |
| 1945 | 5 |
| 1946 | 3 |
| 1947 | 3 |
| 1948 | 2 |
| 1949 | 2 |
| 1950 | 4 |
| 1951 | 7 |
| 1952 | 10 |
| 1953 | 13 |
| 1954 | 6 |
| 1955 | 9 |
| 1956 | 2 |
| 1957 | 5 |
| 1958 | 5 |
| 1959 | 11 |
| 1960 | 7 |
| 1961 | 6 |
| 1962 | 5 |
| 1963 | 17 |
| 1964 | 10 |
| 1965 | 22 |
| 1966 | 15 |
| 1967 | 40 |
| 1968 | 17 |
| 1969 | 28 |
| 1970 | 31 |
| 1971 | 66 |
| 1972 | 46 |
| 1973 | 45 |
| 1974 | 45 |
| 1975 | 61 |
| 1976 | 45 |
| 1977 | 67 |
| 1978 | 64 |
| 1979 | 78 |
| 1980 | 80 |
| 1981 | 81 |
| 1982 | 65 |
| 1983 | 71 |
| 1984 | 74 |
| 1985 | 120 |
| 1986 | 114 |
| 1987 | 94 |
| 1988 | 108 |
| 1989 | 119 |
| 1990 | 122 |
| 1991 | 180 |
| 1992 | 147 |
| 1993 | 179 |
| 1994 | 182 |
| 1995 | 167 |
| 1996 | 343 |
| 1997 | 310 |
| 1998 | 323 |
| 1999 | 339 |
| 2000 | 409 |
| 2001 | 460 |
| 2002 | 447 |
| 2003 | 436 |
| 2004 | 489 |
| 2005 | 448 |
| 2006 | 491 |
| 2007 | 416 |
| 2008 | 425 |
| 2009 | 517 |
| 2010 | 451 |
| 2011 | 483 |
| 2012 | 487 |
| 2013 | 509 |
| 2014 | 493 |
| 2015 | 534 |
| 2016 | 551 |
| 2017 | 564 |
| 2018 | 577 |
| 2019 | 591 |
| 2020 | 676 |
| 2021 | 709 |
| 2022 | 634 |
| 2023 | 548 |
| 2024 | 627 |
| 2025 | 521 |