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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 58 |
| 1966 | 107 |
| 1967 | 118 |
| 1968 | 115 |
| 1969 | 134 |
| 1970 | 115 |
| 1971 | 136 |
| 1972 | 113 |
| 1973 | 99 |
| 1974 | 112 |
| 1975 | 119 |
| 1976 | 145 |
| 1977 | 141 |
| 1978 | 138 |
| 1979 | 145 |
| 1980 | 177 |
| 1981 | 183 |
| 1982 | 207 |
| 1983 | 178 |
| 1984 | 201 |
| 1985 | 227 |
| 1986 | 252 |
| 1987 | 271 |
| 1988 | 294 |
| 1989 | 284 |
| 1990 | 285 |
| 1991 | 317 |
| 1992 | 338 |
| 1993 | 257 |
| 1994 | 269 |
| 1995 | 327 |
| 1996 | 323 |
| 1997 | 284 |
| 1998 | 327 |
| 1999 | 336 |
| 2000 | 321 |
| 2001 | 343 |
| 2002 | 289 |
| 2003 | 305 |
| 2004 | 308 |
| 2005 | 342 |
| 2006 | 386 |
| 2007 | 445 |
| 2008 | 426 |
| 2009 | 416 |
| 2010 | 363 |
| 2011 | 378 |
| 2012 | 336 |
| 2013 | 493 |
| 2014 | 399 |
| 2015 | 314 |
| 2016 | 290 |
| 2017 | 346 |
| 2018 | 343 |
| 2019 | 300 |
| 2020 | 227 |
| 2021 | 348 |
| 2022 | 243 |
| 2023 | 238 |
| 2024 | 335 |
| 2025 | 360 |