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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 42 |
| 1948 | 44 |
| 1949 | 63 |
| 1950 | 42 |
| 1951 | 49 |
| 1952 | 49 |
| 1953 | 54 |
| 1954 | 82 |
| 1955 | 72 |
| 1956 | 97 |
| 1957 | 77 |
| 1958 | 75 |
| 1959 | 87 |
| 1960 | 86 |
| 1961 | 102 |
| 1962 | 93 |
| 1963 | 96 |
| 1964 | 93 |
| 1965 | 104 |
| 1966 | 101 |
| 1967 | 95 |
| 1968 | 101 |
| 1969 | 107 |
| 1970 | 101 |
| 1971 | 99 |
| 1972 | 68 |
| 1973 | 177 |
| 1974 | 216 |
| 1975 | 317 |
| 1976 | 169 |
| 1977 | 206 |
| 1978 | 233 |
| 1979 | 214 |
| 1980 | 259 |
| 1981 | 233 |
| 1982 | 252 |
| 1983 | 209 |
| 1984 | 219 |
| 1985 | 245 |
| 1986 | 246 |
| 1987 | 291 |
| 1988 | 298 |
| 1989 | 379 |
| 1990 | 412 |
| 1991 | 454 |
| 1992 | 407 |
| 1993 | 468 |
| 1994 | 453 |
| 1995 | 524 |
| 1996 | 640 |
| 1997 | 564 |
| 1998 | 677 |
| 1999 | 850 |
| 2000 | 620 |
| 2001 | 622 |
| 2002 | 572 |
| 2003 | 732 |
| 2004 | 738 |
| 2005 | 580 |
| 2006 | 594 |
| 2007 | 607 |
| 2008 | 693 |
| 2009 | 655 |
| 2010 | 573 |
| 2011 | 634 |
| 2012 | 627 |
| 2013 | 879 |
| 2014 | 756 |
| 2015 | 553 |
| 2016 | 476 |
| 2017 | 502 |
| 2018 | 491 |
| 2019 | 375 |
| 2020 | 582 |
| 2021 | 580 |
| 2022 | 558 |
| 2023 | 528 |
| 2024 | 192 |