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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 1 |
| 1947 | 6 |
| 1948 | 12 |
| 1949 | 7 |
| 1950 | 10 |
| 1951 | 13 |
| 1952 | 31 |
| 1953 | 50 |
| 1954 | 29 |
| 1955 | 47 |
| 1956 | 41 |
| 1957 | 29 |
| 1958 | 38 |
| 1959 | 34 |
| 1960 | 29 |
| 1961 | 27 |
| 1962 | 16 |
| 1966 | 7 |
| 1967 | 21 |
| 1968 | 39 |
| 1969 | 43 |
| 1970 | 53 |
| 1971 | 71 |
| 1972 | 58 |
| 1973 | 86 |
| 1974 | 110 |
| 1975 | 131 |
| 1976 | 103 |
| 1977 | 107 |
| 1978 | 126 |
| 1979 | 95 |
| 1980 | 111 |
| 1981 | 77 |
| 1982 | 91 |
| 1983 | 107 |
| 1984 | 83 |
| 1985 | 93 |
| 1986 | 135 |
| 1987 | 125 |
| 1988 | 145 |
| 1989 | 139 |
| 1990 | 162 |
| 1991 | 199 |
| 1992 | 223 |
| 1993 | 251 |
| 1994 | 193 |
| 1995 | 168 |
| 1996 | 229 |
| 1997 | 191 |
| 1998 | 218 |
| 1999 | 236 |
| 2000 | 190 |
| 2001 | 216 |
| 2002 | 230 |
| 2003 | 264 |
| 2004 | 290 |
| 2005 | 307 |
| 2006 | 328 |
| 2007 | 356 |
| 2008 | 319 |
| 2009 | 344 |
| 2010 | 413 |
| 2011 | 428 |
| 2012 | 426 |
| 2013 | 397 |
| 2014 | 365 |
| 2015 | 327 |
| 2016 | 259 |
| 2017 | 270 |
| 2018 | 231 |
| 2019 | 193 |
| 2020 | 142 |
| 2021 | 112 |
| 2022 | 59 |
| 2023 | 25 |
| 2024 | 19 |