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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 18 |
| 1966 | 35 |
| 1967 | 49 |
| 1968 | 49 |
| 1969 | 44 |
| 1970 | 75 |
| 1971 | 59 |
| 1972 | 67 |
| 1973 | 88 |
| 1974 | 77 |
| 1975 | 98 |
| 1976 | 90 |
| 1977 | 63 |
| 1978 | 75 |
| 1979 | 79 |
| 1980 | 92 |
| 1981 | 93 |
| 1982 | 113 |
| 1983 | 84 |
| 1984 | 113 |
| 1985 | 133 |
| 1986 | 162 |
| 1987 | 148 |
| 1988 | 163 |
| 1989 | 189 |
| 1990 | 148 |
| 1991 | 157 |
| 1992 | 161 |
| 1993 | 159 |
| 1994 | 159 |
| 1995 | 170 |
| 1996 | 173 |
| 1997 | 136 |
| 1998 | 134 |
| 1999 | 126 |
| 2000 | 119 |
| 2001 | 130 |
| 2002 | 160 |
| 2003 | 166 |
| 2004 | 201 |
| 2005 | 201 |
| 2006 | 192 |
| 2007 | 214 |
| 2008 | 202 |
| 2009 | 226 |
| 2010 | 223 |
| 2011 | 251 |
| 2012 | 274 |
| 2013 | 239 |
| 2014 | 261 |
| 2015 | 281 |
| 2016 | 263 |
| 2017 | 257 |
| 2018 | 211 |
| 2019 | 235 |
| 2020 | 162 |
| 2021 | 79 |
| 2022 | 47 |
| 2023 | 26 |
| 2024 | 104 |
| 2025 | 94 |