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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1955 | 1 |
| 1962 | 1 |
| 1965 | 1 |
| 1966 | 2 |
| 1967 | 1 |
| 1969 | 1 |
| 1971 | 2 |
| 1973 | 1 |
| 1975 | 1 |
| 1976 | 31 |
| 1977 | 2 |
| 1978 | 2 |
| 1984 | 1 |
| 1986 | 5 |
| 1987 | 89 |
| 1988 | 297 |
| 1989 | 498 |
| 1990 | 502 |
| 1991 | 634 |
| 1992 | 597 |
| 1993 | 643 |
| 1994 | 789 |
| 1995 | 1066 |
| 1996 | 1194 |
| 1997 | 1100 |
| 1998 | 1398 |
| 1999 | 1417 |
| 2000 | 1455 |
| 2001 | 1567 |
| 2002 | 1645 |
| 2003 | 2108 |
| 2004 | 2043 |
| 2005 | 2832 |
| 2006 | 3738 |
| 2007 | 4412 |
| 2008 | 4307 |
| 2009 | 3586 |
| 2010 | 3214 |
| 2011 | 3607 |
| 2012 | 3642 |
| 2013 | 3594 |
| 2014 | 2592 |
| 2015 | 2024 |
| 2016 | 1791 |
| 2017 | 1624 |
| 2018 | 1777 |
| 2019 | 1692 |
| 2020 | 1131 |
| 2021 | 600 |
| 2022 | 289 |
| 2023 | 381 |
| 2024 | 977 |
| 2025 | 727 |