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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 2 |
| 1948 | 2 |
| 1949 | 3 |
| 1950 | 7 |
| 1951 | 22 |
| 1952 | 23 |
| 1953 | 48 |
| 1954 | 29 |
| 1955 | 44 |
| 1956 | 27 |
| 1957 | 34 |
| 1958 | 24 |
| 1959 | 41 |
| 1960 | 33 |
| 1961 | 34 |
| 1962 | 62 |
| 1963 | 71 |
| 1964 | 88 |
| 1965 | 114 |
| 1966 | 88 |
| 1967 | 90 |
| 1968 | 102 |
| 1969 | 188 |
| 1970 | 197 |
| 1971 | 187 |
| 1972 | 179 |
| 1973 | 135 |
| 1974 | 129 |
| 1975 | 134 |
| 1976 | 105 |
| 1977 | 117 |
| 1978 | 119 |
| 1979 | 115 |
| 1980 | 149 |
| 1981 | 121 |
| 1982 | 139 |
| 1983 | 133 |
| 1984 | 123 |
| 1985 | 149 |
| 1986 | 131 |
| 1987 | 114 |
| 1988 | 134 |
| 1989 | 135 |
| 1990 | 160 |
| 1991 | 114 |
| 1992 | 113 |
| 1993 | 127 |
| 1994 | 114 |
| 1995 | 127 |
| 1996 | 144 |
| 1997 | 144 |
| 1998 | 129 |
| 1999 | 133 |
| 2000 | 118 |
| 2001 | 103 |
| 2002 | 128 |
| 2003 | 146 |
| 2004 | 157 |
| 2005 | 177 |
| 2006 | 205 |
| 2007 | 261 |
| 2008 | 274 |
| 2009 | 306 |
| 2010 | 268 |
| 2011 | 317 |
| 2012 | 297 |
| 2013 | 267 |
| 2014 | 294 |
| 2015 | 307 |
| 2016 | 298 |
| 2017 | 313 |
| 2018 | 315 |
| 2019 | 315 |
| 2020 | 361 |
| 2021 | 352 |
| 2022 | 349 |
| 2023 | 339 |
| 2024 | 113 |