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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1951 | 16 |
| 1952 | 30 |
| 1953 | 47 |
| 1954 | 39 |
| 1955 | 46 |
| 1956 | 38 |
| 1957 | 17 |
| 1958 | 17 |
| 1959 | 13 |
| 1960 | 34 |
| 1961 | 30 |
| 1962 | 16 |
| 1964 | 1 |
| 1965 | 22 |
| 1966 | 43 |
| 1967 | 65 |
| 1968 | 61 |
| 1969 | 63 |
| 1970 | 53 |
| 1971 | 73 |
| 1972 | 66 |
| 1973 | 81 |
| 1974 | 86 |
| 1975 | 84 |
| 1976 | 60 |
| 1977 | 54 |
| 1978 | 50 |
| 1979 | 69 |
| 1980 | 66 |
| 1981 | 73 |
| 1982 | 59 |
| 1983 | 60 |
| 1984 | 59 |
| 1985 | 62 |
| 1986 | 57 |
| 1987 | 57 |
| 1988 | 63 |
| 1989 | 86 |
| 1990 | 119 |
| 1991 | 91 |
| 1992 | 93 |
| 1993 | 88 |
| 1994 | 92 |
| 1995 | 116 |
| 1996 | 127 |
| 1997 | 144 |
| 1998 | 150 |
| 1999 | 135 |
| 2000 | 149 |
| 2001 | 160 |
| 2002 | 159 |
| 2003 | 207 |
| 2004 | 244 |
| 2005 | 283 |
| 2006 | 233 |
| 2007 | 314 |
| 2008 | 296 |
| 2009 | 364 |
| 2010 | 370 |
| 2011 | 374 |
| 2012 | 331 |
| 2013 | 338 |
| 2014 | 376 |
| 2015 | 350 |
| 2016 | 348 |
| 2017 | 383 |
| 2018 | 413 |
| 2019 | 384 |
| 2020 | 340 |
| 2021 | 258 |
| 2022 | 254 |
| 2023 | 219 |
| 2024 | 77 |