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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 4 |
| 1952 | 1 |
| 1954 | 1 |
| 1959 | 1 |
| 1960 | 1 |
| 1961 | 1 |
| 1963 | 1 |
| 1964 | 1 |
| 1965 | 1 |
| 1966 | 3 |
| 1967 | 2 |
| 1968 | 2 |
| 1969 | 8 |
| 1970 | 3 |
| 1972 | 5 |
| 1973 | 4 |
| 1974 | 3 |
| 1975 | 3 |
| 1977 | 1 |
| 1978 | 5 |
| 1979 | 8 |
| 1980 | 11 |
| 1981 | 12 |
| 1982 | 21 |
| 1983 | 9 |
| 1984 | 20 |
| 1985 | 10 |
| 1986 | 27 |
| 1987 | 23 |
| 1988 | 45 |
| 1989 | 34 |
| 1990 | 45 |
| 1991 | 49 |
| 1992 | 46 |
| 1993 | 59 |
| 1994 | 78 |
| 1995 | 78 |
| 1996 | 104 |
| 1997 | 98 |
| 1998 | 82 |
| 1999 | 87 |
| 2000 | 137 |
| 2001 | 156 |
| 2002 | 193 |
| 2003 | 246 |
| 2004 | 290 |
| 2005 | 371 |
| 2006 | 415 |
| 2007 | 467 |
| 2008 | 582 |
| 2009 | 667 |
| 2010 | 752 |
| 2011 | 1012 |
| 2012 | 1136 |
| 2013 | 1306 |
| 2014 | 1615 |
| 2015 | 1824 |
| 2016 | 1883 |
| 2017 | 2103 |
| 2018 | 2444 |
| 2019 | 2696 |
| 2020 | 2998 |
| 2021 | 3395 |
| 2022 | 3919 |
| 2023 | 1144 |