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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1954 | 1 |
| 1955 | 1 |
| 1958 | 1 |
| 1959 | 2 |
| 1960 | 3 |
| 1961 | 5 |
| 1962 | 9 |
| 1963 | 5 |
| 1964 | 4 |
| 1965 | 6 |
| 1966 | 13 |
| 1967 | 15 |
| 1968 | 9 |
| 1969 | 15 |
| 1970 | 18 |
| 1971 | 26 |
| 1972 | 11 |
| 1973 | 18 |
| 1974 | 15 |
| 1975 | 17 |
| 1976 | 17 |
| 1977 | 22 |
| 1978 | 25 |
| 1979 | 17 |
| 1980 | 19 |
| 1981 | 19 |
| 1982 | 28 |
| 1983 | 28 |
| 1984 | 25 |
| 1985 | 31 |
| 1986 | 48 |
| 1987 | 77 |
| 1988 | 83 |
| 1989 | 103 |
| 1990 | 94 |
| 1991 | 91 |
| 1992 | 108 |
| 1993 | 96 |
| 1994 | 111 |
| 1995 | 117 |
| 1996 | 162 |
| 1997 | 193 |
| 1998 | 213 |
| 1999 | 241 |
| 2000 | 332 |
| 2001 | 327 |
| 2002 | 415 |
| 2003 | 549 |
| 2004 | 615 |
| 2005 | 646 |
| 2006 | 729 |
| 2007 | 804 |
| 2008 | 881 |
| 2009 | 1027 |
| 2010 | 1250 |
| 2011 | 1287 |
| 2012 | 1341 |
| 2013 | 1496 |
| 2014 | 1609 |
| 2015 | 1685 |
| 2016 | 1668 |
| 2017 | 1642 |
| 2018 | 1602 |
| 2019 | 1617 |
| 2020 | 1681 |
| 2021 | 1922 |
| 2022 | 1709 |
| 2023 | 1255 |