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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 1 |
| 1954 | 33 |
| 1955 | 102 |
| 1956 | 99 |
| 1957 | 114 |
| 1958 | 126 |
| 1959 | 51 |
| 1962 | 2 |
| 1964 | 2 |
| 1965 | 107 |
| 1966 | 206 |
| 1967 | 278 |
| 1968 | 342 |
| 1969 | 359 |
| 1970 | 371 |
| 1971 | 356 |
| 1972 | 351 |
| 1973 | 325 |
| 1974 | 333 |
| 1975 | 217 |
| 1976 | 151 |
| 1977 | 146 |
| 1978 | 129 |
| 1979 | 158 |
| 1980 | 117 |
| 1981 | 117 |
| 1982 | 113 |
| 1983 | 98 |
| 1984 | 109 |
| 1985 | 142 |
| 1986 | 108 |
| 1987 | 108 |
| 1988 | 98 |
| 1989 | 110 |
| 1990 | 111 |
| 1991 | 111 |
| 1992 | 121 |
| 1993 | 122 |
| 1994 | 118 |
| 1995 | 125 |
| 1996 | 124 |
| 1997 | 110 |
| 1998 | 98 |
| 1999 | 99 |
| 2000 | 72 |
| 2001 | 80 |
| 2002 | 58 |
| 2003 | 79 |
| 2004 | 66 |
| 2005 | 83 |
| 2006 | 66 |
| 2007 | 65 |
| 2008 | 55 |
| 2009 | 67 |
| 2010 | 70 |
| 2011 | 78 |
| 2012 | 64 |
| 2013 | 58 |
| 2014 | 56 |
| 2015 | 76 |
| 2016 | 54 |
| 2017 | 53 |
| 2018 | 56 |
| 2019 | 53 |
| 2020 | 54 |
| 2021 | 37 |
| 2022 | 37 |
| 2023 | 39 |
| 2024 | 14 |