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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 4 |
| 1952 | 14 |
| 1953 | 18 |
| 1954 | 22 |
| 1955 | 37 |
| 1956 | 36 |
| 1957 | 35 |
| 1958 | 43 |
| 1959 | 31 |
| 1960 | 54 |
| 1961 | 41 |
| 1962 | 30 |
| 1963 | 1 |
| 1964 | 5 |
| 1965 | 60 |
| 1966 | 105 |
| 1967 | 170 |
| 1968 | 225 |
| 1969 | 229 |
| 1970 | 235 |
| 1971 | 240 |
| 1972 | 276 |
| 1973 | 295 |
| 1974 | 332 |
| 1975 | 310 |
| 1976 | 318 |
| 1977 | 352 |
| 1978 | 346 |
| 1979 | 345 |
| 1980 | 416 |
| 1981 | 392 |
| 1982 | 403 |
| 1983 | 478 |
| 1984 | 453 |
| 1985 | 490 |
| 1986 | 475 |
| 1987 | 515 |
| 1988 | 561 |
| 1989 | 584 |
| 1990 | 603 |
| 1991 | 684 |
| 1992 | 672 |
| 1993 | 739 |
| 1994 | 692 |
| 1995 | 734 |
| 1996 | 695 |
| 1997 | 753 |
| 1998 | 705 |
| 1999 | 774 |
| 2000 | 757 |
| 2001 | 798 |
| 2002 | 839 |
| 2003 | 893 |
| 2004 | 848 |
| 2005 | 952 |
| 2006 | 985 |
| 2007 | 1081 |
| 2008 | 1151 |
| 2009 | 1092 |
| 2010 | 1148 |
| 2011 | 1260 |
| 2012 | 1285 |
| 2013 | 1416 |
| 2014 | 1315 |
| 2015 | 1316 |
| 2016 | 1265 |
| 2017 | 1193 |
| 2018 | 1176 |
| 2019 | 1116 |
| 2020 | 912 |
| 2021 | 654 |
| 2022 | 220 |
| 2023 | 126 |
| 2024 | 119 |