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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1957 | 1 |
| 1959 | 2 |
| 1960 | 2 |
| 1962 | 1 |
| 1965 | 6 |
| 1966 | 1 |
| 1967 | 10 |
| 1968 | 13 |
| 1969 | 26 |
| 1970 | 20 |
| 1971 | 56 |
| 1972 | 58 |
| 1973 | 82 |
| 1974 | 98 |
| 1975 | 115 |
| 1976 | 108 |
| 1977 | 144 |
| 1978 | 129 |
| 1979 | 119 |
| 1980 | 110 |
| 1981 | 113 |
| 1982 | 127 |
| 1983 | 127 |
| 1984 | 134 |
| 1985 | 145 |
| 1986 | 154 |
| 1987 | 111 |
| 1988 | 123 |
| 1989 | 110 |
| 1990 | 105 |
| 1991 | 147 |
| 1992 | 118 |
| 1993 | 135 |
| 1994 | 117 |
| 1995 | 125 |
| 1996 | 131 |
| 1997 | 110 |
| 1998 | 128 |
| 1999 | 124 |
| 2000 | 133 |
| 2001 | 146 |
| 2002 | 127 |
| 2003 | 127 |
| 2004 | 156 |
| 2005 | 160 |
| 2006 | 148 |
| 2007 | 168 |
| 2008 | 198 |
| 2009 | 204 |
| 2010 | 228 |
| 2011 | 244 |
| 2012 | 253 |
| 2013 | 274 |
| 2014 | 264 |
| 2015 | 284 |
| 2016 | 336 |
| 2017 | 401 |
| 2018 | 390 |
| 2019 | 387 |
| 2020 | 565 |
| 2021 | 492 |
| 2022 | 72 |
| 2023 | 27 |
| 2024 | 692 |
| 2025 | 689 |