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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1954 | 18 |
| 1955 | 22 |
| 1956 | 25 |
| 1957 | 45 |
| 1958 | 47 |
| 1959 | 61 |
| 1960 | 61 |
| 1961 | 41 |
| 1962 | 36 |
| 1963 | 61 |
| 1964 | 103 |
| 1965 | 116 |
| 1966 | 87 |
| 1967 | 103 |
| 1968 | 116 |
| 1969 | 89 |
| 1970 | 166 |
| 1971 | 92 |
| 1972 | 125 |
| 1973 | 196 |
| 1974 | 109 |
| 1975 | 107 |
| 1976 | 96 |
| 1977 | 108 |
| 1978 | 101 |
| 1979 | 66 |
| 1980 | 62 |
| 1981 | 63 |
| 1982 | 68 |
| 1983 | 64 |
| 1984 | 53 |
| 1985 | 58 |
| 1986 | 79 |
| 1987 | 62 |
| 1988 | 51 |
| 1989 | 70 |
| 1990 | 52 |
| 1991 | 49 |
| 1992 | 50 |
| 1993 | 52 |
| 1994 | 40 |
| 1995 | 48 |
| 1996 | 42 |
| 1997 | 38 |
| 1998 | 38 |
| 1999 | 34 |
| 2000 | 39 |
| 2001 | 38 |
| 2002 | 61 |
| 2003 | 44 |
| 2004 | 41 |
| 2005 | 54 |
| 2006 | 81 |
| 2007 | 83 |
| 2008 | 106 |
| 2009 | 134 |
| 2010 | 159 |
| 2011 | 219 |
| 2012 | 185 |
| 2013 | 210 |
| 2014 | 217 |
| 2015 | 120 |
| 2016 | 117 |
| 2017 | 118 |
| 2018 | 133 |
| 2019 | 151 |
| 2020 | 143 |
| 2021 | 114 |
| 2022 | 112 |
| 2023 | 87 |
| 2024 | 22 |