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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1968 | 149 |
| 1969 | 358 |
| 1970 | 607 |
| 1971 | 674 |
| 1972 | 790 |
| 1973 | 762 |
| 1974 | 952 |
| 1975 | 914 |
| 1976 | 918 |
| 1977 | 934 |
| 1978 | 896 |
| 1979 | 1041 |
| 1980 | 976 |
| 1981 | 852 |
| 1982 | 821 |
| 1983 | 797 |
| 1984 | 776 |
| 1985 | 859 |
| 1986 | 895 |
| 1987 | 951 |
| 1988 | 1041 |
| 1989 | 1138 |
| 1990 | 1276 |
| 1991 | 1253 |
| 1992 | 1365 |
| 1993 | 1544 |
| 1994 | 1391 |
| 1995 | 1528 |
| 1996 | 1428 |
| 1997 | 1669 |
| 1998 | 1644 |
| 1999 | 1733 |
| 2000 | 1300 |
| 2001 | 1124 |
| 2002 | 1192 |
| 2003 | 1066 |
| 2004 | 1122 |
| 2005 | 1222 |
| 2006 | 1117 |
| 2007 | 980 |
| 2008 | 753 |
| 2009 | 737 |
| 2010 | 852 |
| 2011 | 683 |
| 2012 | 691 |
| 2013 | 668 |
| 2014 | 698 |
| 2015 | 554 |
| 2016 | 455 |
| 2017 | 391 |
| 2018 | 378 |
| 2019 | 409 |
| 2020 | 381 |
| 2021 | 262 |
| 2022 | 311 |
| 2023 | 263 |
| 2024 | 109 |