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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1959 | 1 |
| 1960 | 1 |
| 1962 | 2 |
| 1964 | 1 |
| 1965 | 5 |
| 1966 | 6 |
| 1967 | 5 |
| 1968 | 5 |
| 1969 | 1 |
| 1970 | 6 |
| 1971 | 2 |
| 1972 | 4 |
| 1973 | 4 |
| 1974 | 1 |
| 1976 | 4 |
| 1977 | 2 |
| 1978 | 4 |
| 1979 | 3 |
| 1980 | 4 |
| 1981 | 5 |
| 1982 | 9 |
| 1983 | 9 |
| 1984 | 10 |
| 1985 | 10 |
| 1986 | 19 |
| 1987 | 20 |
| 1988 | 27 |
| 1989 | 25 |
| 1990 | 42 |
| 1991 | 38 |
| 1992 | 78 |
| 1993 | 89 |
| 1994 | 136 |
| 1995 | 205 |
| 1996 | 234 |
| 1997 | 313 |
| 1998 | 356 |
| 1999 | 437 |
| 2000 | 386 |
| 2001 | 422 |
| 2002 | 476 |
| 2003 | 566 |
| 2004 | 543 |
| 2005 | 576 |
| 2006 | 624 |
| 2007 | 801 |
| 2008 | 794 |
| 2009 | 858 |
| 2010 | 905 |
| 2011 | 896 |
| 2012 | 981 |
| 2013 | 1030 |
| 2014 | 996 |
| 2015 | 975 |
| 2016 | 981 |
| 2017 | 936 |
| 2018 | 1009 |
| 2019 | 1117 |
| 2020 | 833 |
| 2021 | 611 |
| 2022 | 757 |
| 2023 | 1056 |
| 2024 | 546 |