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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1954 | 31 |
| 1955 | 38 |
| 1956 | 33 |
| 1957 | 27 |
| 1958 | 29 |
| 1959 | 14 |
| 1960 | 37 |
| 1961 | 28 |
| 1962 | 17 |
| 1963 | 19 |
| 1964 | 9 |
| 1965 | 29 |
| 1966 | 38 |
| 1967 | 33 |
| 1968 | 39 |
| 1969 | 65 |
| 1970 | 42 |
| 1971 | 47 |
| 1972 | 46 |
| 1973 | 44 |
| 1974 | 49 |
| 1975 | 54 |
| 1976 | 77 |
| 1977 | 74 |
| 1978 | 127 |
| 1979 | 134 |
| 1980 | 250 |
| 1981 | 74 |
| 1982 | 107 |
| 1983 | 148 |
| 1984 | 152 |
| 1985 | 187 |
| 1986 | 159 |
| 1987 | 242 |
| 1988 | 139 |
| 1989 | 177 |
| 1990 | 115 |
| 1991 | 182 |
| 1992 | 159 |
| 1993 | 109 |
| 1994 | 158 |
| 1995 | 164 |
| 1996 | 156 |
| 1997 | 142 |
| 1998 | 152 |
| 1999 | 72 |
| 2000 | 111 |
| 2001 | 104 |
| 2002 | 132 |
| 2003 | 126 |
| 2004 | 118 |
| 2005 | 128 |
| 2006 | 154 |
| 2007 | 140 |
| 2008 | 158 |
| 2009 | 152 |
| 2010 | 156 |
| 2011 | 222 |
| 2012 | 246 |
| 2013 | 252 |
| 2014 | 318 |
| 2015 | 324 |
| 2016 | 397 |
| 2017 | 397 |
| 2018 | 319 |
| 2019 | 311 |
| 2020 | 344 |
| 2021 | 288 |
| 2022 | 263 |
| 2023 | 267 |
| 2024 | 160 |