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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 1 |
| 1964 | 1 |
| 1965 | 6 |
| 1966 | 93 |
| 1967 | 136 |
| 1968 | 167 |
| 1969 | 169 |
| 1970 | 119 |
| 1971 | 116 |
| 1972 | 97 |
| 1973 | 86 |
| 1974 | 100 |
| 1975 | 57 |
| 1976 | 37 |
| 1977 | 42 |
| 1978 | 46 |
| 1979 | 53 |
| 1980 | 62 |
| 1981 | 37 |
| 1982 | 55 |
| 1983 | 44 |
| 1984 | 74 |
| 1985 | 35 |
| 1986 | 46 |
| 1987 | 64 |
| 1988 | 66 |
| 1989 | 60 |
| 1990 | 71 |
| 1991 | 71 |
| 1992 | 83 |
| 1993 | 83 |
| 1994 | 106 |
| 1995 | 160 |
| 1996 | 300 |
| 1997 | 383 |
| 1998 | 415 |
| 1999 | 430 |
| 2000 | 495 |
| 2001 | 450 |
| 2002 | 441 |
| 2003 | 554 |
| 2004 | 642 |
| 2005 | 810 |
| 2006 | 933 |
| 2007 | 897 |
| 2008 | 836 |
| 2009 | 821 |
| 2010 | 841 |
| 2011 | 965 |
| 2012 | 978 |
| 2013 | 1075 |
| 2014 | 1121 |
| 2015 | 1156 |
| 2016 | 1092 |
| 2017 | 1072 |
| 2018 | 1060 |
| 2019 | 1018 |
| 2020 | 907 |
| 2021 | 624 |
| 2022 | 215 |
| 2023 | 187 |
| 2024 | 103 |