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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1955 | 3 |
| 1957 | 2 |
| 1959 | 1 |
| 1962 | 2 |
| 1965 | 4 |
| 1966 | 2 |
| 1967 | 6 |
| 1968 | 10 |
| 1969 | 5 |
| 1970 | 10 |
| 1971 | 15 |
| 1972 | 19 |
| 1973 | 15 |
| 1974 | 25 |
| 1975 | 20 |
| 1976 | 43 |
| 1977 | 42 |
| 1978 | 52 |
| 1979 | 64 |
| 1980 | 44 |
| 1981 | 58 |
| 1982 | 57 |
| 1983 | 74 |
| 1984 | 60 |
| 1985 | 60 |
| 1986 | 50 |
| 1987 | 68 |
| 1988 | 40 |
| 1989 | 83 |
| 1990 | 94 |
| 1991 | 85 |
| 1992 | 86 |
| 1993 | 147 |
| 1994 | 110 |
| 1995 | 98 |
| 1996 | 102 |
| 1997 | 108 |
| 1998 | 104 |
| 1999 | 93 |
| 2000 | 105 |
| 2001 | 94 |
| 2002 | 109 |
| 2003 | 131 |
| 2004 | 117 |
| 2005 | 139 |
| 2006 | 119 |
| 2007 | 138 |
| 2008 | 151 |
| 2009 | 141 |
| 2010 | 131 |
| 2011 | 144 |
| 2012 | 134 |
| 2013 | 178 |
| 2014 | 159 |
| 2015 | 128 |
| 2016 | 120 |
| 2017 | 143 |
| 2018 | 119 |
| 2019 | 135 |
| 2020 | 124 |
| 2021 | 94 |
| 2022 | 15 |
| 2023 | 11 |
| 2024 | 160 |
| 2025 | 176 |