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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 1 |
| 1966 | 4 |
| 1967 | 20 |
| 1968 | 59 |
| 1969 | 78 |
| 1970 | 102 |
| 1971 | 118 |
| 1972 | 158 |
| 1973 | 145 |
| 1974 | 148 |
| 1975 | 172 |
| 1976 | 137 |
| 1977 | 150 |
| 1978 | 166 |
| 1979 | 155 |
| 1980 | 123 |
| 1981 | 111 |
| 1982 | 150 |
| 1983 | 183 |
| 1984 | 170 |
| 1985 | 193 |
| 1986 | 193 |
| 1987 | 257 |
| 1988 | 246 |
| 1989 | 230 |
| 1990 | 244 |
| 1991 | 300 |
| 1992 | 304 |
| 1993 | 310 |
| 1994 | 328 |
| 1995 | 431 |
| 1996 | 407 |
| 1997 | 326 |
| 1998 | 412 |
| 1999 | 395 |
| 2000 | 416 |
| 2001 | 415 |
| 2002 | 445 |
| 2003 | 455 |
| 2004 | 503 |
| 2005 | 593 |
| 2006 | 583 |
| 2007 | 601 |
| 2008 | 695 |
| 2009 | 748 |
| 2010 | 835 |
| 2011 | 867 |
| 2012 | 901 |
| 2013 | 1021 |
| 2014 | 1096 |
| 2015 | 1039 |
| 2016 | 951 |
| 2017 | 867 |
| 2018 | 948 |
| 2019 | 1017 |
| 2020 | 1018 |
| 2021 | 807 |
| 2022 | 108 |
| 2023 | 37 |
| 2024 | 137 |