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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 97 |
| 1965 | 70 |
| 1966 | 112 |
| 1967 | 127 |
| 1968 | 144 |
| 1969 | 168 |
| 1970 | 123 |
| 1971 | 157 |
| 1972 | 178 |
| 1973 | 151 |
| 1974 | 162 |
| 1975 | 168 |
| 1976 | 131 |
| 1977 | 188 |
| 1978 | 174 |
| 1979 | 197 |
| 1980 | 212 |
| 1981 | 201 |
| 1982 | 251 |
| 1983 | 215 |
| 1984 | 249 |
| 1985 | 269 |
| 1986 | 266 |
| 1987 | 394 |
| 1988 | 257 |
| 1989 | 254 |
| 1990 | 243 |
| 1991 | 276 |
| 1992 | 278 |
| 1993 | 138 |
| 1994 | 222 |
| 1995 | 238 |
| 1996 | 171 |
| 1997 | 194 |
| 1998 | 151 |
| 1999 | 120 |
| 2000 | 130 |
| 2001 | 137 |
| 2002 | 158 |
| 2003 | 135 |
| 2004 | 138 |
| 2005 | 125 |
| 2006 | 138 |
| 2007 | 144 |
| 2008 | 109 |
| 2009 | 122 |
| 2010 | 137 |
| 2011 | 117 |
| 2012 | 185 |
| 2013 | 175 |
| 2014 | 156 |
| 2015 | 213 |
| 2016 | 236 |
| 2017 | 242 |
| 2018 | 227 |
| 2019 | 187 |
| 2020 | 194 |
| 2021 | 194 |
| 2022 | 126 |
| 2023 | 93 |
| 2024 | 38 |