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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 1 |
| 1947 | 1 |
| 1961 | 4 |
| 1962 | 2 |
| 1964 | 1 |
| 1965 | 13 |
| 1966 | 35 |
| 1967 | 27 |
| 1968 | 52 |
| 1969 | 46 |
| 1970 | 59 |
| 1971 | 69 |
| 1972 | 80 |
| 1973 | 79 |
| 1974 | 95 |
| 1975 | 157 |
| 1976 | 138 |
| 1977 | 113 |
| 1978 | 83 |
| 1979 | 108 |
| 1980 | 96 |
| 1981 | 127 |
| 1982 | 135 |
| 1983 | 129 |
| 1984 | 139 |
| 1985 | 172 |
| 1986 | 177 |
| 1987 | 189 |
| 1988 | 167 |
| 1989 | 235 |
| 1990 | 230 |
| 1991 | 304 |
| 1992 | 244 |
| 1993 | 256 |
| 1994 | 293 |
| 1995 | 277 |
| 1996 | 280 |
| 1997 | 293 |
| 1998 | 351 |
| 1999 | 343 |
| 2000 | 360 |
| 2001 | 393 |
| 2002 | 445 |
| 2003 | 464 |
| 2004 | 526 |
| 2005 | 545 |
| 2006 | 666 |
| 2007 | 666 |
| 2008 | 678 |
| 2009 | 784 |
| 2010 | 848 |
| 2011 | 879 |
| 2012 | 979 |
| 2013 | 1085 |
| 2014 | 1097 |
| 2015 | 1243 |
| 2016 | 1219 |
| 2017 | 1011 |
| 2018 | 994 |
| 2019 | 942 |
| 2020 | 870 |
| 2021 | 758 |
| 2022 | 450 |
| 2023 | 395 |
| 2024 | 110 |