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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 9 |
| 1966 | 6 |
| 1967 | 13 |
| 1968 | 17 |
| 1969 | 15 |
| 1970 | 22 |
| 1971 | 23 |
| 1972 | 22 |
| 1973 | 28 |
| 1974 | 29 |
| 1975 | 36 |
| 1976 | 39 |
| 1977 | 24 |
| 1978 | 30 |
| 1979 | 20 |
| 1980 | 29 |
| 1981 | 37 |
| 1982 | 39 |
| 1983 | 41 |
| 1984 | 28 |
| 1985 | 38 |
| 1986 | 39 |
| 1987 | 39 |
| 1988 | 41 |
| 1989 | 42 |
| 1990 | 40 |
| 1991 | 44 |
| 1992 | 51 |
| 1993 | 63 |
| 1994 | 65 |
| 1995 | 74 |
| 1996 | 81 |
| 1997 | 57 |
| 1998 | 101 |
| 1999 | 92 |
| 2000 | 114 |
| 2001 | 133 |
| 2002 | 114 |
| 2003 | 157 |
| 2004 | 153 |
| 2005 | 151 |
| 2006 | 170 |
| 2007 | 184 |
| 2008 | 242 |
| 2009 | 223 |
| 2010 | 270 |
| 2011 | 335 |
| 2012 | 365 |
| 2013 | 408 |
| 2014 | 364 |
| 2015 | 360 |
| 2016 | 330 |
| 2017 | 296 |
| 2018 | 292 |
| 2019 | 268 |
| 2020 | 288 |
| 2021 | 274 |
| 2022 | 264 |
| 2023 | 189 |
| 2024 | 213 |
| 2025 | 166 |
| 2026 | 59 |