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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1954 | 3 |
| 1955 | 2 |
| 1957 | 1 |
| 1958 | 2 |
| 1959 | 1 |
| 1960 | 1 |
| 1961 | 1 |
| 1962 | 1 |
| 1963 | 3 |
| 1964 | 4 |
| 1971 | 4 |
| 1972 | 121 |
| 1973 | 141 |
| 1974 | 172 |
| 1975 | 151 |
| 1976 | 120 |
| 1977 | 129 |
| 1978 | 94 |
| 1979 | 116 |
| 1980 | 102 |
| 1981 | 75 |
| 1982 | 77 |
| 1983 | 73 |
| 1984 | 95 |
| 1985 | 91 |
| 1986 | 81 |
| 1987 | 64 |
| 1988 | 79 |
| 1989 | 65 |
| 1990 | 74 |
| 1991 | 96 |
| 1992 | 77 |
| 1993 | 110 |
| 1994 | 96 |
| 1995 | 95 |
| 1996 | 103 |
| 1997 | 103 |
| 1998 | 113 |
| 1999 | 97 |
| 2000 | 103 |
| 2001 | 111 |
| 2002 | 120 |
| 2003 | 112 |
| 2004 | 138 |
| 2005 | 126 |
| 2006 | 138 |
| 2007 | 154 |
| 2008 | 137 |
| 2009 | 119 |
| 2010 | 109 |
| 2011 | 114 |
| 2012 | 130 |
| 2013 | 106 |
| 2014 | 88 |
| 2015 | 77 |
| 2016 | 65 |
| 2017 | 45 |
| 2018 | 49 |
| 2019 | 49 |
| 2020 | 42 |
| 2021 | 38 |
| 2022 | 30 |
| 2023 | 31 |
| 2024 | 22 |
| 2025 | 10 |