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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1960 | 2 |
| 1961 | 4 |
| 1962 | 4 |
| 1963 | 1 |
| 1964 | 4 |
| 1966 | 3 |
| 1967 | 1 |
| 1968 | 6 |
| 1969 | 81 |
| 1970 | 170 |
| 1971 | 590 |
| 1972 | 754 |
| 1973 | 817 |
| 1974 | 774 |
| 1975 | 672 |
| 1976 | 600 |
| 1977 | 522 |
| 1978 | 523 |
| 1979 | 580 |
| 1980 | 434 |
| 1981 | 539 |
| 1982 | 475 |
| 1983 | 518 |
| 1984 | 530 |
| 1985 | 693 |
| 1986 | 672 |
| 1987 | 1078 |
| 1988 | 924 |
| 1989 | 1259 |
| 1990 | 1169 |
| 1991 | 1138 |
| 1992 | 1435 |
| 1993 | 1389 |
| 1994 | 1539 |
| 1995 | 1588 |
| 1996 | 1689 |
| 1997 | 1467 |
| 1998 | 1645 |
| 1999 | 1456 |
| 2000 | 1508 |
| 2001 | 1700 |
| 2002 | 1436 |
| 2003 | 1585 |
| 2004 | 1448 |
| 2005 | 1904 |
| 2006 | 1543 |
| 2007 | 1548 |
| 2008 | 1763 |
| 2009 | 1932 |
| 2010 | 1942 |
| 2011 | 2085 |
| 2012 | 1966 |
| 2013 | 1928 |
| 2014 | 1836 |
| 2015 | 1915 |
| 2016 | 1915 |
| 2017 | 1897 |
| 2018 | 1842 |
| 2019 | 1785 |
| 2020 | 1644 |
| 2021 | 1601 |
| 2022 | 1255 |
| 2023 | 932 |
| 2024 | 273 |