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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1955 | 2 |
| 1956 | 1 |
| 1959 | 1 |
| 1960 | 1 |
| 1961 | 3 |
| 1962 | 1 |
| 1963 | 1 |
| 1964 | 3 |
| 1966 | 3 |
| 1967 | 2 |
| 1968 | 7 |
| 1969 | 6 |
| 1970 | 13 |
| 1971 | 13 |
| 1972 | 18 |
| 1973 | 17 |
| 1974 | 21 |
| 1975 | 80 |
| 1976 | 77 |
| 1977 | 63 |
| 1978 | 64 |
| 1979 | 78 |
| 1980 | 85 |
| 1981 | 89 |
| 1982 | 117 |
| 1983 | 132 |
| 1984 | 129 |
| 1985 | 144 |
| 1986 | 152 |
| 1987 | 130 |
| 1988 | 139 |
| 1989 | 156 |
| 1990 | 177 |
| 1991 | 179 |
| 1992 | 176 |
| 1993 | 196 |
| 1994 | 209 |
| 1995 | 201 |
| 1996 | 227 |
| 1997 | 236 |
| 1998 | 258 |
| 1999 | 272 |
| 2000 | 237 |
| 2001 | 249 |
| 2002 | 294 |
| 2003 | 325 |
| 2004 | 352 |
| 2005 | 326 |
| 2006 | 371 |
| 2007 | 416 |
| 2008 | 425 |
| 2009 | 407 |
| 2010 | 442 |
| 2011 | 480 |
| 2012 | 511 |
| 2013 | 576 |
| 2014 | 565 |
| 2015 | 590 |
| 2016 | 608 |
| 2017 | 604 |
| 2018 | 617 |
| 2019 | 648 |
| 2020 | 639 |
| 2021 | 613 |
| 2022 | 539 |
| 2023 | 476 |
| 2024 | 603 |
| 2025 | 663 |
| 2026 | 342 |