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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 | 1 |
| 1965 | 7 |
| 1966 | 16 |
| 1967 | 19 |
| 1968 | 9 |
| 1969 | 13 |
| 1970 | 10 |
| 1971 | 22 |
| 1972 | 26 |
| 1973 | 65 |
| 1974 | 119 |
| 1975 | 245 |
| 1976 | 270 |
| 1977 | 303 |
| 1978 | 332 |
| 1979 | 396 |
| 1980 | 482 |
| 1981 | 533 |
| 1982 | 644 |
| 1983 | 728 |
| 1984 | 830 |
| 1985 | 977 |
| 1986 | 1087 |
| 1987 | 1122 |
| 1988 | 1237 |
| 1989 | 1388 |
| 1990 | 1445 |
| 1991 | 1474 |
| 1992 | 1563 |
| 1993 | 1712 |
| 1994 | 1836 |
| 1995 | 2054 |
| 1996 | 2003 |
| 1997 | 2332 |
| 1998 | 2474 |
| 1999 | 2807 |
| 2000 | 3054 |
| 2001 | 2947 |
| 2002 | 3101 |
| 2003 | 3227 |
| 2004 | 3731 |
| 2005 | 3975 |
| 2006 | 4389 |
| 2007 | 4676 |
| 2008 | 4820 |
| 2009 | 5037 |
| 2010 | 5352 |
| 2011 | 5547 |
| 2012 | 5793 |
| 2013 | 6089 |
| 2014 | 6052 |
| 2015 | 6204 |
| 2016 | 5864 |
| 2017 | 5668 |
| 2018 | 5822 |
| 2019 | 5943 |
| 2020 | 5786 |
| 2021 | 4874 |
| 2022 | 2757 |
| 2023 | 1852 |
| 2024 | 571 |