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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1956 | 1 |
| 1963 | 1 |
| 1964 | 3 |
| 1965 | 1 |
| 1968 | 1 |
| 1969 | 1 |
| 1974 | 1 |
| 1976 | 1 |
| 1978 | 2 |
| 1979 | 2 |
| 1980 | 3 |
| 1981 | 12 |
| 1982 | 116 |
| 1983 | 374 |
| 1984 | 495 |
| 1985 | 600 |
| 1986 | 590 |
| 1987 | 566 |
| 1988 | 591 |
| 1989 | 702 |
| 1990 | 777 |
| 1991 | 818 |
| 1992 | 907 |
| 1993 | 1086 |
| 1994 | 1099 |
| 1995 | 1098 |
| 1996 | 1135 |
| 1997 | 1221 |
| 1998 | 1286 |
| 1999 | 1423 |
| 2000 | 1448 |
| 2001 | 1653 |
| 2002 | 1522 |
| 2003 | 1915 |
| 2004 | 2195 |
| 2005 | 2440 |
| 2006 | 2900 |
| 2007 | 3212 |
| 2008 | 3418 |
| 2009 | 3402 |
| 2010 | 3682 |
| 2011 | 3915 |
| 2012 | 4291 |
| 2013 | 4279 |
| 2014 | 4218 |
| 2015 | 4368 |
| 2016 | 4329 |
| 2017 | 4159 |
| 2018 | 4211 |
| 2019 | 4038 |
| 2020 | 3888 |
| 2021 | 3006 |
| 2022 | 2463 |
| 2023 | 2242 |
| 2024 | 3903 |
| 2025 | 2854 |