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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 11 |
| 1954 | 48 |
| 1955 | 44 |
| 1956 | 44 |
| 1957 | 43 |
| 1958 | 45 |
| 1959 | 47 |
| 1960 | 52 |
| 1961 | 37 |
| 1962 | 40 |
| 1963 | 83 |
| 1964 | 45 |
| 1965 | 75 |
| 1966 | 67 |
| 1967 | 81 |
| 1968 | 87 |
| 1969 | 124 |
| 1970 | 119 |
| 1971 | 100 |
| 1972 | 93 |
| 1973 | 102 |
| 1974 | 98 |
| 1975 | 85 |
| 1976 | 100 |
| 1977 | 136 |
| 1978 | 101 |
| 1979 | 95 |
| 1980 | 86 |
| 1981 | 95 |
| 1982 | 94 |
| 1983 | 81 |
| 1984 | 76 |
| 1985 | 92 |
| 1986 | 106 |
| 1987 | 111 |
| 1988 | 101 |
| 1989 | 113 |
| 1990 | 115 |
| 1991 | 114 |
| 1992 | 103 |
| 1993 | 111 |
| 1994 | 113 |
| 1995 | 157 |
| 1996 | 130 |
| 1997 | 105 |
| 1998 | 123 |
| 1999 | 112 |
| 2000 | 116 |
| 2001 | 87 |
| 2002 | 98 |
| 2003 | 69 |
| 2004 | 83 |
| 2005 | 174 |
| 2006 | 201 |
| 2007 | 277 |
| 2008 | 304 |
| 2009 | 260 |
| 2010 | 338 |
| 2011 | 313 |
| 2012 | 289 |
| 2013 | 270 |
| 2014 | 196 |
| 2015 | 214 |
| 2016 | 202 |
| 2017 | 173 |
| 2018 | 156 |
| 2019 | 161 |
| 2020 | 164 |
| 2021 | 79 |
| 2022 | 177 |
| 2023 | 158 |
| 2024 | 52 |