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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1967 | 43 |
| 1968 | 61 |
| 1969 | 60 |
| 1970 | 33 |
| 1971 | 15 |
| 1972 | 3 |
| 1974 | 1 |
| 1975 | 2 |
| 1976 | 1 |
| 1977 | 4 |
| 1978 | 3 |
| 1980 | 3 |
| 1981 | 4 |
| 1982 | 4 |
| 1983 | 5 |
| 1984 | 9 |
| 1985 | 10 |
| 1986 | 18 |
| 1987 | 11 |
| 1988 | 10 |
| 1989 | 29 |
| 1990 | 30 |
| 1991 | 48 |
| 1992 | 49 |
| 1993 | 63 |
| 1994 | 52 |
| 1995 | 83 |
| 1996 | 101 |
| 1997 | 137 |
| 1998 | 115 |
| 1999 | 133 |
| 2000 | 181 |
| 2001 | 215 |
| 2002 | 248 |
| 2003 | 286 |
| 2004 | 261 |
| 2005 | 266 |
| 2006 | 327 |
| 2007 | 375 |
| 2008 | 384 |
| 2009 | 361 |
| 2010 | 384 |
| 2011 | 476 |
| 2012 | 537 |
| 2013 | 654 |
| 2014 | 763 |
| 2015 | 873 |
| 2016 | 909 |
| 2017 | 1056 |
| 2018 | 787 |
| 2019 | 704 |
| 2020 | 841 |
| 2021 | 481 |
| 2022 | 51 |
| 2023 | 70 |
| 2024 | 688 |
| 2025 | 886 |