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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1949 | 1 |
| 1950 | 6 |
| 1952 | 3 |
| 1954 | 2 |
| 1955 | 2 |
| 1956 | 5 |
| 1957 | 3 |
| 1958 | 3 |
| 1959 | 7 |
| 1960 | 6 |
| 1961 | 21 |
| 1962 | 22 |
| 1963 | 15 |
| 1964 | 27 |
| 1965 | 32 |
| 1966 | 46 |
| 1967 | 69 |
| 1968 | 61 |
| 1969 | 79 |
| 1970 | 73 |
| 1971 | 73 |
| 1972 | 50 |
| 1973 | 52 |
| 1974 | 87 |
| 1975 | 57 |
| 1976 | 64 |
| 1977 | 70 |
| 1978 | 82 |
| 1979 | 106 |
| 1980 | 129 |
| 1981 | 108 |
| 1982 | 139 |
| 1983 | 148 |
| 1984 | 152 |
| 1985 | 155 |
| 1986 | 202 |
| 1987 | 196 |
| 1988 | 204 |
| 1989 | 250 |
| 1990 | 242 |
| 1991 | 270 |
| 1992 | 269 |
| 1993 | 301 |
| 1994 | 262 |
| 1995 | 310 |
| 1996 | 323 |
| 1997 | 290 |
| 1998 | 414 |
| 1999 | 383 |
| 2000 | 424 |
| 2001 | 424 |
| 2002 | 453 |
| 2003 | 469 |
| 2004 | 502 |
| 2005 | 445 |
| 2006 | 525 |
| 2007 | 551 |
| 2008 | 580 |
| 2009 | 567 |
| 2010 | 537 |
| 2011 | 596 |
| 2012 | 636 |
| 2013 | 562 |
| 2014 | 579 |
| 2015 | 637 |
| 2016 | 612 |
| 2017 | 670 |
| 2018 | 676 |
| 2019 | 657 |
| 2020 | 767 |
| 2021 | 869 |
| 2022 | 818 |
| 2023 | 779 |
| 2024 | 839 |
| 2025 | 427 |