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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 1 |
| 1952 | 2 |
| 1953 | 1 |
| 1954 | 1 |
| 1956 | 3 |
| 1957 | 5 |
| 1958 | 1 |
| 1959 | 4 |
| 1961 | 10 |
| 1962 | 1 |
| 1963 | 7 |
| 1964 | 7 |
| 1965 | 12 |
| 1966 | 1 |
| 1967 | 19 |
| 1968 | 86 |
| 1969 | 78 |
| 1970 | 104 |
| 1971 | 114 |
| 1972 | 149 |
| 1973 | 150 |
| 1974 | 129 |
| 1975 | 101 |
| 1976 | 99 |
| 1977 | 79 |
| 1978 | 109 |
| 1979 | 119 |
| 1980 | 131 |
| 1981 | 122 |
| 1982 | 170 |
| 1983 | 156 |
| 1984 | 160 |
| 1985 | 239 |
| 1986 | 183 |
| 1987 | 247 |
| 1988 | 325 |
| 1989 | 430 |
| 1990 | 557 |
| 1991 | 549 |
| 1992 | 749 |
| 1993 | 706 |
| 1994 | 726 |
| 1995 | 687 |
| 1996 | 679 |
| 1997 | 568 |
| 1998 | 560 |
| 1999 | 498 |
| 2000 | 672 |
| 2001 | 677 |
| 2002 | 556 |
| 2003 | 585 |
| 2004 | 702 |
| 2005 | 740 |
| 2006 | 786 |
| 2007 | 873 |
| 2008 | 1192 |
| 2009 | 1333 |
| 2010 | 1421 |
| 2011 | 1206 |
| 2012 | 1208 |
| 2013 | 1091 |
| 2014 | 988 |
| 2015 | 925 |
| 2016 | 827 |
| 2017 | 841 |
| 2018 | 811 |
| 2019 | 865 |
| 2020 | 822 |
| 2021 | 716 |
| 2022 | 610 |
| 2023 | 540 |
| 2024 | 193 |