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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1957 | 1 |
| 1959 | 2 |
| 1960 | 2 |
| 1961 | 1 |
| 1962 | 3 |
| 1963 | 5 |
| 1964 | 6 |
| 1965 | 2 |
| 1966 | 1 |
| 1967 | 4 |
| 1968 | 1 |
| 1969 | 3 |
| 1970 | 1 |
| 1972 | 1 |
| 1973 | 1 |
| 1974 | 1 |
| 1975 | 3 |
| 1976 | 1 |
| 1977 | 2 |
| 1978 | 3 |
| 1979 | 7 |
| 1980 | 5 |
| 1981 | 11 |
| 1982 | 18 |
| 1983 | 9 |
| 1984 | 13 |
| 1985 | 15 |
| 1986 | 40 |
| 1987 | 32 |
| 1988 | 34 |
| 1989 | 39 |
| 1990 | 34 |
| 1991 | 38 |
| 1992 | 47 |
| 1993 | 54 |
| 1994 | 64 |
| 1995 | 77 |
| 1996 | 105 |
| 1997 | 95 |
| 1998 | 84 |
| 1999 | 96 |
| 2000 | 115 |
| 2001 | 145 |
| 2002 | 190 |
| 2003 | 203 |
| 2004 | 290 |
| 2005 | 354 |
| 2006 | 370 |
| 2007 | 425 |
| 2008 | 473 |
| 2009 | 573 |
| 2010 | 628 |
| 2011 | 777 |
| 2012 | 932 |
| 2013 | 1013 |
| 2014 | 1146 |
| 2015 | 1277 |
| 2016 | 1394 |
| 2017 | 1545 |
| 2018 | 1844 |
| 2019 | 2006 |
| 2020 | 2346 |
| 2021 | 2749 |
| 2022 | 3063 |
| 2023 | 1410 |