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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1956 | 44 |
| 1957 | 63 |
| 1958 | 91 |
| 1959 | 124 |
| 1960 | 114 |
| 1961 | 189 |
| 1962 | 143 |
| 1963 | 8 |
| 1964 | 46 |
| 1965 | 553 |
| 1966 | 976 |
| 1967 | 1333 |
| 1968 | 1471 |
| 1969 | 1543 |
| 1970 | 1860 |
| 1971 | 2145 |
| 1972 | 2388 |
| 1973 | 2632 |
| 1974 | 2872 |
| 1975 | 2908 |
| 1976 | 2722 |
| 1977 | 2888 |
| 1978 | 2600 |
| 1979 | 2854 |
| 1980 | 2796 |
| 1981 | 2572 |
| 1982 | 2400 |
| 1983 | 2320 |
| 1984 | 2535 |
| 1985 | 2798 |
| 1986 | 2763 |
| 1987 | 2617 |
| 1988 | 2548 |
| 1989 | 3058 |
| 1990 | 3408 |
| 1991 | 3483 |
| 1992 | 3845 |
| 1993 | 4908 |
| 1994 | 5417 |
| 1995 | 5036 |
| 1996 | 4502 |
| 1997 | 4560 |
| 1998 | 4427 |
| 1999 | 4376 |
| 2000 | 5594 |
| 2001 | 6568 |
| 2002 | 6490 |
| 2003 | 6524 |
| 2004 | 6704 |
| 2005 | 6206 |
| 2006 | 5282 |
| 2007 | 4959 |
| 2008 | 5111 |
| 2009 | 5265 |
| 2010 | 5284 |
| 2011 | 5219 |
| 2012 | 5455 |
| 2013 | 5442 |
| 2014 | 4831 |
| 2015 | 4925 |
| 2016 | 5057 |
| 2017 | 4690 |
| 2018 | 3999 |
| 2019 | 3785 |
| 2020 | 3294 |
| 2021 | 2890 |
| 2022 | 2169 |
| 2023 | 1770 |
| 2024 | 1112 |