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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1960 | 1 |
| 1962 | 5 |
| 1963 | 2 |
| 1964 | 1 |
| 1966 | 1 |
| 1967 | 3 |
| 1968 | 1 |
| 1970 | 2 |
| 1971 | 1 |
| 1972 | 1 |
| 1973 | 9 |
| 1975 | 2 |
| 1976 | 1 |
| 1977 | 4 |
| 1978 | 3 |
| 1979 | 2 |
| 1980 | 7 |
| 1981 | 7 |
| 1982 | 13 |
| 1983 | 9 |
| 1984 | 7 |
| 1985 | 5 |
| 1986 | 9 |
| 1987 | 14 |
| 1988 | 19 |
| 1989 | 17 |
| 1990 | 27 |
| 1991 | 24 |
| 1992 | 30 |
| 1993 | 34 |
| 1994 | 29 |
| 1995 | 46 |
| 1996 | 59 |
| 1997 | 65 |
| 1998 | 102 |
| 1999 | 116 |
| 2000 | 161 |
| 2001 | 213 |
| 2002 | 214 |
| 2003 | 205 |
| 2004 | 236 |
| 2005 | 303 |
| 2006 | 354 |
| 2007 | 410 |
| 2008 | 469 |
| 2009 | 612 |
| 2010 | 669 |
| 2011 | 763 |
| 2012 | 837 |
| 2013 | 891 |
| 2014 | 900 |
| 2015 | 963 |
| 2016 | 999 |
| 2017 | 1033 |
| 2018 | 964 |
| 2019 | 986 |
| 2020 | 1134 |
| 2021 | 1152 |
| 2022 | 1045 |
| 2023 | 992 |
| 2024 | 803 |
| 2025 | 5 |