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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1967 | 1 |
| 1975 | 1 |
| 1977 | 36 |
| 1978 | 146 |
| 1979 | 135 |
| 1980 | 272 |
| 1981 | 265 |
| 1982 | 343 |
| 1983 | 377 |
| 1984 | 466 |
| 1985 | 463 |
| 1986 | 447 |
| 1987 | 484 |
| 1988 | 508 |
| 1989 | 625 |
| 1990 | 843 |
| 1991 | 763 |
| 1992 | 785 |
| 1993 | 809 |
| 1994 | 775 |
| 1995 | 820 |
| 1996 | 890 |
| 1997 | 876 |
| 1998 | 905 |
| 1999 | 891 |
| 2000 | 961 |
| 2001 | 881 |
| 2002 | 835 |
| 2003 | 895 |
| 2004 | 930 |
| 2005 | 908 |
| 2006 | 1004 |
| 2007 | 1030 |
| 2008 | 971 |
| 2009 | 993 |
| 2010 | 1026 |
| 2011 | 1049 |
| 2012 | 1066 |
| 2013 | 1011 |
| 2014 | 938 |
| 2015 | 786 |
| 2016 | 755 |
| 2017 | 669 |
| 2018 | 638 |
| 2019 | 676 |
| 2020 | 793 |
| 2021 | 737 |
| 2022 | 869 |
| 2023 | 676 |
| 2024 | 307 |