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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 13 |
| 1965 | 67 |
| 1966 | 130 |
| 1967 | 173 |
| 1968 | 196 |
| 1969 | 183 |
| 1970 | 150 |
| 1971 | 197 |
| 1972 | 206 |
| 1973 | 182 |
| 1974 | 189 |
| 1975 | 166 |
| 1976 | 172 |
| 1977 | 181 |
| 1978 | 201 |
| 1979 | 201 |
| 1980 | 192 |
| 1981 | 181 |
| 1982 | 212 |
| 1983 | 255 |
| 1984 | 217 |
| 1985 | 198 |
| 1986 | 247 |
| 1987 | 292 |
| 1988 | 353 |
| 1989 | 354 |
| 1990 | 360 |
| 1991 | 334 |
| 1992 | 343 |
| 1993 | 342 |
| 1994 | 348 |
| 1995 | 370 |
| 1996 | 375 |
| 1997 | 401 |
| 1998 | 430 |
| 1999 | 451 |
| 2000 | 455 |
| 2001 | 402 |
| 2002 | 417 |
| 2003 | 384 |
| 2004 | 372 |
| 2005 | 473 |
| 2006 | 467 |
| 2007 | 455 |
| 2008 | 475 |
| 2009 | 426 |
| 2010 | 425 |
| 2011 | 456 |
| 2012 | 430 |
| 2013 | 406 |
| 2014 | 431 |
| 2015 | 362 |
| 2016 | 358 |
| 2017 | 375 |
| 2018 | 349 |
| 2019 | 324 |
| 2020 | 304 |
| 2021 | 216 |
| 2022 | 117 |
| 2023 | 62 |
| 2024 | 258 |
| 2025 | 337 |
| 2026 | 256 |