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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1960 | 1 |
| 1961 | 1 |
| 1962 | 2 |
| 1964 | 1 |
| 1965 | 2 |
| 1967 | 2 |
| 1969 | 5 |
| 1970 | 8 |
| 1971 | 16 |
| 1972 | 12 |
| 1973 | 18 |
| 1974 | 8 |
| 1975 | 8 |
| 1976 | 6 |
| 1977 | 13 |
| 1978 | 11 |
| 1979 | 20 |
| 1980 | 26 |
| 1981 | 26 |
| 1982 | 29 |
| 1983 | 41 |
| 1984 | 46 |
| 1985 | 60 |
| 1986 | 68 |
| 1987 | 1061 |
| 1988 | 2846 |
| 1989 | 4145 |
| 1990 | 4811 |
| 1991 | 5088 |
| 1992 | 5211 |
| 1993 | 5348 |
| 1994 | 5349 |
| 1995 | 5420 |
| 1996 | 5424 |
| 1997 | 5354 |
| 1998 | 5446 |
| 1999 | 5548 |
| 2000 | 5608 |
| 2001 | 6060 |
| 2002 | 6500 |
| 2003 | 6740 |
| 2004 | 7442 |
| 2005 | 7987 |
| 2006 | 8679 |
| 2007 | 9192 |
| 2008 | 9980 |
| 2009 | 10648 |
| 2010 | 11916 |
| 2011 | 12691 |
| 2012 | 13206 |
| 2013 | 14409 |
| 2014 | 14246 |
| 2015 | 14546 |
| 2016 | 14310 |
| 2017 | 13809 |
| 2018 | 13655 |
| 2019 | 13439 |
| 2020 | 14370 |
| 2021 | 14915 |
| 2022 | 13080 |
| 2023 | 12296 |
| 2024 | 3703 |