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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 3 |
| 1952 | 1 |
| 1953 | 3 |
| 1954 | 1 |
| 1955 | 2 |
| 1958 | 1 |
| 1959 | 10 |
| 1960 | 35 |
| 1961 | 39 |
| 1962 | 14 |
| 1964 | 1 |
| 1966 | 3 |
| 1967 | 5 |
| 1968 | 9 |
| 1969 | 10 |
| 1970 | 3 |
| 1971 | 7 |
| 1972 | 8 |
| 1973 | 16 |
| 1974 | 38 |
| 1975 | 120 |
| 1976 | 108 |
| 1977 | 108 |
| 1978 | 138 |
| 1979 | 109 |
| 1980 | 118 |
| 1981 | 139 |
| 1982 | 199 |
| 1983 | 142 |
| 1984 | 93 |
| 1985 | 74 |
| 1986 | 91 |
| 1987 | 76 |
| 1988 | 135 |
| 1989 | 103 |
| 1990 | 134 |
| 1991 | 135 |
| 1992 | 131 |
| 1993 | 124 |
| 1994 | 203 |
| 1995 | 211 |
| 1996 | 221 |
| 1997 | 232 |
| 1998 | 222 |
| 1999 | 292 |
| 2000 | 417 |
| 2001 | 473 |
| 2002 | 603 |
| 2003 | 548 |
| 2004 | 347 |
| 2005 | 390 |
| 2006 | 405 |
| 2007 | 350 |
| 2008 | 390 |
| 2009 | 401 |
| 2010 | 409 |
| 2011 | 489 |
| 2012 | 503 |
| 2013 | 593 |
| 2014 | 604 |
| 2015 | 625 |
| 2016 | 584 |
| 2017 | 559 |
| 2018 | 564 |
| 2019 | 545 |
| 2020 | 400 |
| 2021 | 339 |
| 2022 | 302 |
| 2023 | 286 |
| 2024 | 586 |
| 2025 | 6 |