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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1969 | 20 |
| 1970 | 48 |
| 1971 | 46 |
| 1972 | 30 |
| 1973 | 87 |
| 1974 | 72 |
| 1975 | 73 |
| 1976 | 58 |
| 1977 | 64 |
| 1978 | 68 |
| 1979 | 63 |
| 1980 | 64 |
| 1981 | 64 |
| 1982 | 56 |
| 1983 | 62 |
| 1984 | 59 |
| 1985 | 62 |
| 1986 | 68 |
| 1987 | 67 |
| 1988 | 62 |
| 1989 | 57 |
| 1990 | 66 |
| 1991 | 63 |
| 1992 | 58 |
| 1993 | 62 |
| 1994 | 62 |
| 1995 | 67 |
| 1996 | 65 |
| 1997 | 65 |
| 1998 | 57 |
| 1999 | 74 |
| 2000 | 83 |
| 2001 | 79 |
| 2002 | 91 |
| 2003 | 54 |
| 2004 | 63 |
| 2005 | 53 |
| 2006 | 73 |
| 2007 | 101 |
| 2008 | 120 |
| 2009 | 135 |
| 2010 | 138 |
| 2011 | 141 |
| 2012 | 133 |
| 2013 | 120 |
| 2014 | 131 |
| 2015 | 136 |
| 2016 | 105 |
| 2017 | 101 |
| 2018 | 130 |
| 2019 | 131 |
| 2020 | 151 |
| 2021 | 170 |
| 2022 | 170 |
| 2023 | 152 |
| 2024 | 62 |