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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1945 | 1 |
| 1951 | 15 |
| 1952 | 39 |
| 1953 | 35 |
| 1954 | 40 |
| 1955 | 31 |
| 1956 | 22 |
| 1957 | 35 |
| 1958 | 25 |
| 1959 | 10 |
| 1964 | 7 |
| 1965 | 60 |
| 1966 | 89 |
| 1967 | 108 |
| 1968 | 141 |
| 1969 | 139 |
| 1970 | 160 |
| 1971 | 185 |
| 1972 | 290 |
| 1973 | 312 |
| 1974 | 370 |
| 1975 | 327 |
| 1976 | 267 |
| 1977 | 281 |
| 1978 | 282 |
| 1979 | 259 |
| 1980 | 328 |
| 1981 | 295 |
| 1982 | 291 |
| 1983 | 311 |
| 1984 | 348 |
| 1985 | 388 |
| 1986 | 419 |
| 1987 | 429 |
| 1988 | 406 |
| 1989 | 390 |
| 1990 | 468 |
| 1991 | 394 |
| 1992 | 374 |
| 1993 | 417 |
| 1994 | 351 |
| 1995 | 298 |
| 1996 | 275 |
| 1997 | 266 |
| 1998 | 229 |
| 1999 | 216 |
| 2000 | 232 |
| 2001 | 215 |
| 2002 | 226 |
| 2003 | 204 |
| 2004 | 160 |
| 2005 | 149 |
| 2006 | 174 |
| 2007 | 188 |
| 2008 | 171 |
| 2009 | 168 |
| 2010 | 157 |
| 2011 | 151 |
| 2012 | 164 |
| 2013 | 141 |
| 2014 | 117 |
| 2015 | 101 |
| 2016 | 111 |
| 2017 | 104 |
| 2018 | 96 |
| 2019 | 72 |
| 2020 | 70 |
| 2021 | 53 |
| 2022 | 7 |
| 2023 | 3 |
| 2024 | 0 |