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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1957 | 1 |
| 1966 | 2 |
| 1967 | 1 |
| 1968 | 1 |
| 1969 | 2 |
| 1970 | 1 |
| 1971 | 1 |
| 1972 | 1 |
| 1973 | 2 |
| 1974 | 1 |
| 1975 | 3 |
| 1976 | 1 |
| 1977 | 4 |
| 1978 | 3 |
| 1979 | 1 |
| 1980 | 2 |
| 1981 | 2 |
| 1982 | 3 |
| 1983 | 3 |
| 1984 | 2 |
| 1985 | 3 |
| 1986 | 3 |
| 1987 | 11 |
| 1988 | 15 |
| 1989 | 31 |
| 1990 | 40 |
| 1991 | 32 |
| 1992 | 43 |
| 1993 | 52 |
| 1994 | 54 |
| 1995 | 64 |
| 1996 | 81 |
| 1997 | 81 |
| 1998 | 98 |
| 1999 | 116 |
| 2000 | 147 |
| 2001 | 177 |
| 2002 | 186 |
| 2003 | 181 |
| 2004 | 214 |
| 2005 | 229 |
| 2006 | 296 |
| 2007 | 256 |
| 2008 | 288 |
| 2009 | 271 |
| 2010 | 319 |
| 2011 | 342 |
| 2012 | 314 |
| 2013 | 387 |
| 2014 | 581 |
| 2015 | 684 |
| 2016 | 793 |
| 2017 | 776 |
| 2018 | 888 |
| 2019 | 1029 |
| 2020 | 1171 |
| 2021 | 1337 |
| 2022 | 1528 |
| 2023 | 1488 |
| 2024 | 660 |