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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 13 |
| 1954 | 28 |
| 1955 | 161 |
| 1956 | 94 |
| 1957 | 4 |
| 1958 | 28 |
| 1959 | 75 |
| 1960 | 127 |
| 1961 | 186 |
| 1962 | 142 |
| 1964 | 7 |
| 1965 | 47 |
| 1966 | 177 |
| 1967 | 124 |
| 1968 | 106 |
| 1969 | 6 |
| 1971 | 1 |
| 1972 | 4 |
| 1973 | 3 |
| 1974 | 4 |
| 1975 | 6 |
| 1976 | 5 |
| 1977 | 3 |
| 1978 | 10 |
| 1979 | 8 |
| 1980 | 5 |
| 1981 | 5 |
| 1982 | 3 |
| 1983 | 5 |
| 1984 | 5 |
| 1985 | 18 |
| 1986 | 338 |
| 1987 | 1235 |
| 1988 | 1623 |
| 1989 | 1927 |
| 1990 | 1895 |
| 1991 | 1788 |
| 1992 | 2068 |
| 1993 | 2218 |
| 1994 | 2151 |
| 1995 | 2185 |
| 1996 | 2024 |
| 1997 | 2345 |
| 1998 | 2350 |
| 1999 | 2316 |
| 2000 | 2325 |
| 2001 | 2443 |
| 2002 | 2686 |
| 2003 | 2528 |
| 2004 | 2704 |
| 2005 | 3149 |
| 2006 | 3262 |
| 2007 | 3537 |
| 2008 | 3453 |
| 2009 | 3574 |
| 2010 | 3715 |
| 2011 | 3717 |
| 2012 | 3898 |
| 2013 | 4116 |
| 2014 | 4152 |
| 2015 | 4089 |
| 2016 | 4147 |
| 2017 | 3938 |
| 2018 | 3691 |
| 2019 | 3786 |
| 2020 | 3413 |
| 2021 | 2613 |
| 2022 | 762 |
| 2023 | 675 |
| 2024 | 517 |