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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 270 |
| 1964 | 610 |
| 1965 | 434 |
| 1966 | 223 |
| 1967 | 159 |
| 1968 | 124 |
| 1969 | 175 |
| 1970 | 142 |
| 1971 | 160 |
| 1972 | 158 |
| 1973 | 181 |
| 1974 | 257 |
| 1975 | 243 |
| 1976 | 248 |
| 1977 | 216 |
| 1978 | 256 |
| 1979 | 230 |
| 1980 | 277 |
| 1981 | 242 |
| 1982 | 263 |
| 1983 | 260 |
| 1984 | 261 |
| 1985 | 270 |
| 1986 | 248 |
| 1987 | 283 |
| 1988 | 285 |
| 1989 | 282 |
| 1990 | 288 |
| 1991 | 254 |
| 1992 | 276 |
| 1993 | 309 |
| 1994 | 338 |
| 1995 | 311 |
| 1996 | 327 |
| 1997 | 353 |
| 1998 | 265 |
| 1999 | 300 |
| 2000 | 259 |
| 2001 | 139 |
| 2002 | 149 |
| 2003 | 155 |
| 2004 | 181 |
| 2005 | 203 |
| 2006 | 162 |
| 2007 | 195 |
| 2008 | 169 |
| 2009 | 147 |
| 2010 | 164 |
| 2011 | 150 |
| 2012 | 155 |
| 2013 | 196 |
| 2014 | 148 |
| 2015 | 157 |
| 2016 | 149 |
| 2017 | 141 |
| 2018 | 152 |
| 2019 | 144 |
| 2020 | 132 |
| 2021 | 78 |
| 2022 | 10 |
| 2023 | 2 |
| 2024 | 1 |