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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 1 |
| 1952 | 1 |
| 1953 | 2 |
| 1954 | 1 |
| 1955 | 3 |
| 1957 | 1 |
| 1959 | 3 |
| 1960 | 3 |
| 1961 | 4 |
| 1962 | 5 |
| 1963 | 7 |
| 1964 | 7 |
| 1965 | 6 |
| 1966 | 3 |
| 1967 | 6 |
| 1968 | 5 |
| 1970 | 2 |
| 1971 | 2 |
| 1973 | 2 |
| 1975 | 1 |
| 1976 | 1 |
| 1977 | 2 |
| 1978 | 4 |
| 1979 | 12 |
| 1980 | 150 |
| 1981 | 267 |
| 1982 | 273 |
| 1983 | 289 |
| 1984 | 314 |
| 1985 | 343 |
| 1986 | 349 |
| 1987 | 434 |
| 1988 | 462 |
| 1989 | 452 |
| 1990 | 518 |
| 1991 | 566 |
| 1992 | 607 |
| 1993 | 650 |
| 1994 | 644 |
| 1995 | 628 |
| 1996 | 658 |
| 1997 | 679 |
| 1998 | 717 |
| 1999 | 743 |
| 2000 | 725 |
| 2001 | 840 |
| 2002 | 853 |
| 2003 | 981 |
| 2004 | 1069 |
| 2005 | 1128 |
| 2006 | 1296 |
| 2007 | 1396 |
| 2008 | 1665 |
| 2009 | 1663 |
| 2010 | 1841 |
| 2011 | 2106 |
| 2012 | 2319 |
| 2013 | 2395 |
| 2014 | 2641 |
| 2015 | 2570 |
| 2016 | 2583 |
| 2017 | 2544 |
| 2018 | 2429 |
| 2019 | 2357 |
| 2020 | 2481 |
| 2021 | 2630 |
| 2022 | 2458 |
| 2023 | 2402 |
| 2024 | 2078 |
| 2025 | 768 |