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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 1 |
| 1953 | 2 |
| 1954 | 1 |
| 1955 | 2 |
| 1956 | 7 |
| 1957 | 6 |
| 1958 | 3 |
| 1959 | 7 |
| 1960 | 14 |
| 1961 | 10 |
| 1962 | 8 |
| 1964 | 1 |
| 1965 | 15 |
| 1966 | 18 |
| 1967 | 28 |
| 1968 | 33 |
| 1969 | 48 |
| 1970 | 53 |
| 1971 | 68 |
| 1972 | 73 |
| 1973 | 69 |
| 1974 | 72 |
| 1975 | 62 |
| 1976 | 75 |
| 1977 | 64 |
| 1978 | 74 |
| 1979 | 70 |
| 1980 | 89 |
| 1981 | 68 |
| 1982 | 85 |
| 1983 | 90 |
| 1984 | 109 |
| 1985 | 98 |
| 1986 | 121 |
| 1987 | 91 |
| 1988 | 105 |
| 1989 | 106 |
| 1990 | 124 |
| 1991 | 90 |
| 1992 | 125 |
| 1993 | 106 |
| 1994 | 106 |
| 1995 | 116 |
| 1996 | 129 |
| 1997 | 117 |
| 1998 | 141 |
| 1999 | 141 |
| 2000 | 136 |
| 2001 | 136 |
| 2002 | 149 |
| 2003 | 138 |
| 2004 | 162 |
| 2005 | 135 |
| 2006 | 141 |
| 2007 | 160 |
| 2008 | 165 |
| 2009 | 166 |
| 2010 | 194 |
| 2011 | 220 |
| 2012 | 193 |
| 2013 | 223 |
| 2014 | 202 |
| 2015 | 209 |
| 2016 | 202 |
| 2017 | 196 |
| 2018 | 216 |
| 2019 | 198 |
| 2020 | 191 |
| 2021 | 155 |
| 2022 | 111 |
| 2023 | 84 |
| 2024 | 41 |