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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1952 | 2 |
| 1954 | 2 |
| 1955 | 1 |
| 1956 | 2 |
| 1957 | 1 |
| 1963 | 2 |
| 1964 | 4 |
| 1965 | 3 |
| 1967 | 1 |
| 1974 | 5 |
| 1975 | 2 |
| 1977 | 9 |
| 1978 | 135 |
| 1979 | 280 |
| 1980 | 319 |
| 1981 | 299 |
| 1982 | 303 |
| 1983 | 320 |
| 1984 | 324 |
| 1985 | 259 |
| 1986 | 227 |
| 1987 | 264 |
| 1988 | 233 |
| 1989 | 325 |
| 1990 | 330 |
| 1991 | 311 |
| 1992 | 355 |
| 1993 | 383 |
| 1994 | 328 |
| 1995 | 463 |
| 1996 | 408 |
| 1997 | 456 |
| 1998 | 379 |
| 1999 | 440 |
| 2000 | 475 |
| 2001 | 497 |
| 2002 | 530 |
| 2003 | 549 |
| 2004 | 710 |
| 2005 | 777 |
| 2006 | 796 |
| 2007 | 900 |
| 2008 | 1016 |
| 2009 | 989 |
| 2010 | 1045 |
| 2011 | 1045 |
| 2012 | 1132 |
| 2013 | 1257 |
| 2014 | 1201 |
| 2015 | 1332 |
| 2016 | 1375 |
| 2017 | 1387 |
| 2018 | 1395 |
| 2019 | 1345 |
| 2020 | 1438 |
| 2021 | 1577 |
| 2022 | 1418 |
| 2023 | 1182 |
| 2024 | 412 |