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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 3 |
| 1962 | 1 |
| 1963 | 1 |
| 1964 | 4 |
| 1965 | 86 |
| 1966 | 186 |
| 1967 | 202 |
| 1968 | 219 |
| 1969 | 234 |
| 1970 | 241 |
| 1971 | 285 |
| 1972 | 268 |
| 1973 | 339 |
| 1974 | 343 |
| 1975 | 345 |
| 1976 | 366 |
| 1977 | 316 |
| 1978 | 327 |
| 1979 | 346 |
| 1980 | 319 |
| 1981 | 339 |
| 1982 | 332 |
| 1983 | 417 |
| 1984 | 397 |
| 1985 | 375 |
| 1986 | 408 |
| 1987 | 358 |
| 1988 | 426 |
| 1989 | 364 |
| 1990 | 398 |
| 1991 | 388 |
| 1992 | 382 |
| 1993 | 436 |
| 1994 | 381 |
| 1995 | 419 |
| 1996 | 404 |
| 1997 | 385 |
| 1998 | 369 |
| 1999 | 493 |
| 2000 | 435 |
| 2001 | 505 |
| 2002 | 644 |
| 2003 | 709 |
| 2004 | 803 |
| 2005 | 939 |
| 2006 | 974 |
| 2007 | 1047 |
| 2008 | 1093 |
| 2009 | 1178 |
| 2010 | 1232 |
| 2011 | 1442 |
| 2012 | 1456 |
| 2013 | 1430 |
| 2014 | 1533 |
| 2015 | 1513 |
| 2016 | 1497 |
| 2017 | 1449 |
| 2018 | 1417 |
| 2019 | 1529 |
| 2020 | 1669 |
| 2021 | 1726 |
| 2022 | 1641 |
| 2023 | 1571 |
| 2024 | 557 |