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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1949 | 1 |
| 1951 | 1 |
| 1953 | 2 |
| 1958 | 1 |
| 1959 | 1 |
| 1960 | 5 |
| 1961 | 2 |
| 1962 | 1 |
| 1963 | 3 |
| 1964 | 5 |
| 1965 | 2 |
| 1966 | 3 |
| 1967 | 16 |
| 1968 | 34 |
| 1969 | 44 |
| 1970 | 38 |
| 1971 | 45 |
| 1972 | 40 |
| 1973 | 52 |
| 1974 | 31 |
| 1975 | 35 |
| 1976 | 23 |
| 1977 | 30 |
| 1978 | 31 |
| 1979 | 55 |
| 1980 | 36 |
| 1981 | 54 |
| 1982 | 46 |
| 1983 | 67 |
| 1984 | 59 |
| 1985 | 60 |
| 1986 | 73 |
| 1987 | 87 |
| 1988 | 86 |
| 1989 | 94 |
| 1990 | 110 |
| 1991 | 116 |
| 1992 | 95 |
| 1993 | 109 |
| 1994 | 110 |
| 1995 | 147 |
| 1996 | 239 |
| 1997 | 243 |
| 1998 | 226 |
| 1999 | 220 |
| 2000 | 294 |
| 2001 | 240 |
| 2002 | 316 |
| 2003 | 418 |
| 2004 | 367 |
| 2005 | 408 |
| 2006 | 427 |
| 2007 | 470 |
| 2008 | 440 |
| 2009 | 504 |
| 2010 | 506 |
| 2011 | 514 |
| 2012 | 580 |
| 2013 | 587 |
| 2014 | 576 |
| 2015 | 582 |
| 2016 | 585 |
| 2017 | 520 |
| 2018 | 568 |
| 2019 | 575 |
| 2020 | 687 |
| 2021 | 718 |
| 2022 | 800 |
| 2023 | 749 |
| 2024 | 281 |