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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 2 |
| 1964 | 37 |
| 1965 | 56 |
| 1966 | 55 |
| 1967 | 68 |
| 1968 | 80 |
| 1969 | 98 |
| 1970 | 72 |
| 1971 | 80 |
| 1972 | 71 |
| 1973 | 99 |
| 1974 | 107 |
| 1975 | 113 |
| 1976 | 95 |
| 1977 | 102 |
| 1978 | 115 |
| 1979 | 122 |
| 1980 | 129 |
| 1981 | 162 |
| 1982 | 174 |
| 1983 | 206 |
| 1984 | 223 |
| 1985 | 257 |
| 1986 | 286 |
| 1987 | 328 |
| 1988 | 326 |
| 1989 | 384 |
| 1990 | 340 |
| 1991 | 354 |
| 1992 | 337 |
| 1993 | 278 |
| 1994 | 318 |
| 1995 | 279 |
| 1996 | 265 |
| 1997 | 261 |
| 1998 | 322 |
| 1999 | 272 |
| 2000 | 306 |
| 2001 | 263 |
| 2002 | 245 |
| 2003 | 324 |
| 2004 | 366 |
| 2005 | 356 |
| 2006 | 365 |
| 2007 | 372 |
| 2008 | 343 |
| 2009 | 383 |
| 2010 | 423 |
| 2011 | 352 |
| 2012 | 369 |
| 2013 | 386 |
| 2014 | 419 |
| 2015 | 410 |
| 2016 | 427 |
| 2017 | 436 |
| 2018 | 419 |
| 2019 | 526 |
| 2020 | 482 |
| 2021 | 472 |
| 2022 | 589 |
| 2023 | 541 |
| 2024 | 214 |