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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1972 | 3 |
| 1973 | 7 |
| 1974 | 5 |
| 1975 | 8 |
| 1976 | 8 |
| 1977 | 13 |
| 1978 | 37 |
| 1979 | 97 |
| 1980 | 159 |
| 1981 | 158 |
| 1982 | 218 |
| 1983 | 268 |
| 1984 | 311 |
| 1985 | 370 |
| 1986 | 422 |
| 1987 | 412 |
| 1988 | 454 |
| 1989 | 589 |
| 1990 | 692 |
| 1991 | 662 |
| 1992 | 702 |
| 1993 | 746 |
| 1994 | 878 |
| 1995 | 883 |
| 1996 | 1056 |
| 1997 | 1215 |
| 1998 | 1313 |
| 1999 | 1341 |
| 2000 | 1564 |
| 2001 | 1506 |
| 2002 | 1648 |
| 2003 | 1811 |
| 2004 | 1954 |
| 2005 | 2035 |
| 2006 | 2084 |
| 2007 | 2268 |
| 2008 | 2417 |
| 2009 | 2535 |
| 2010 | 2615 |
| 2011 | 2792 |
| 2012 | 3055 |
| 2013 | 3073 |
| 2014 | 2778 |
| 2015 | 2727 |
| 2016 | 2718 |
| 2017 | 2605 |
| 2018 | 2461 |
| 2019 | 2346 |
| 2020 | 2195 |
| 2021 | 1871 |
| 2022 | 1289 |
| 2023 | 844 |
| 2024 | 383 |