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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1954 | 3 |
| 1955 | 2 |
| 1956 | 2 |
| 1957 | 4 |
| 1958 | 3 |
| 1959 | 1 |
| 1960 | 5 |
| 1961 | 3 |
| 1962 | 13 |
| 1963 | 11 |
| 1964 | 14 |
| 1965 | 17 |
| 1966 | 26 |
| 1967 | 34 |
| 1968 | 19 |
| 1969 | 20 |
| 1970 | 33 |
| 1971 | 28 |
| 1972 | 24 |
| 1973 | 23 |
| 1974 | 27 |
| 1975 | 37 |
| 1976 | 34 |
| 1977 | 35 |
| 1978 | 31 |
| 1979 | 51 |
| 1980 | 57 |
| 1981 | 70 |
| 1982 | 109 |
| 1983 | 84 |
| 1984 | 110 |
| 1985 | 131 |
| 1986 | 144 |
| 1987 | 129 |
| 1988 | 166 |
| 1989 | 146 |
| 1990 | 147 |
| 1991 | 166 |
| 1992 | 216 |
| 1993 | 192 |
| 1994 | 214 |
| 1995 | 227 |
| 1996 | 249 |
| 1997 | 296 |
| 1998 | 304 |
| 1999 | 310 |
| 2000 | 309 |
| 2001 | 342 |
| 2002 | 340 |
| 2003 | 386 |
| 2004 | 404 |
| 2005 | 372 |
| 2006 | 341 |
| 2007 | 369 |
| 2008 | 389 |
| 2009 | 404 |
| 2010 | 442 |
| 2011 | 481 |
| 2012 | 500 |
| 2013 | 516 |
| 2014 | 486 |
| 2015 | 522 |
| 2016 | 574 |
| 2017 | 625 |
| 2018 | 611 |
| 2019 | 624 |
| 2020 | 646 |
| 2021 | 730 |
| 2022 | 668 |
| 2023 | 686 |
| 2024 | 500 |
| 2025 | 2 |