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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1945 | 1 |
| 1946 | 6 |
| 1947 | 7 |
| 1948 | 7 |
| 1949 | 12 |
| 1950 | 3 |
| 1951 | 9 |
| 1952 | 2 |
| 1953 | 4 |
| 1954 | 6 |
| 1955 | 2 |
| 1956 | 6 |
| 1957 | 3 |
| 1958 | 5 |
| 1959 | 2 |
| 1960 | 6 |
| 1961 | 3 |
| 1962 | 5 |
| 1963 | 4 |
| 1964 | 5 |
| 1965 | 8 |
| 1971 | 7 |
| 1972 | 18 |
| 1973 | 44 |
| 1974 | 83 |
| 1975 | 116 |
| 1976 | 110 |
| 1977 | 162 |
| 1978 | 147 |
| 1979 | 169 |
| 1980 | 139 |
| 1981 | 157 |
| 1982 | 172 |
| 1983 | 235 |
| 1984 | 333 |
| 1985 | 346 |
| 1986 | 363 |
| 1987 | 345 |
| 1988 | 352 |
| 1989 | 380 |
| 1990 | 428 |
| 1991 | 355 |
| 1992 | 303 |
| 1993 | 290 |
| 1994 | 273 |
| 1995 | 255 |
| 1996 | 251 |
| 1997 | 272 |
| 1998 | 299 |
| 1999 | 332 |
| 2000 | 339 |
| 2001 | 342 |
| 2002 | 391 |
| 2003 | 441 |
| 2004 | 476 |
| 2005 | 538 |
| 2006 | 556 |
| 2007 | 590 |
| 2008 | 549 |
| 2009 | 500 |
| 2010 | 513 |
| 2011 | 544 |
| 2012 | 563 |
| 2013 | 549 |
| 2014 | 506 |
| 2015 | 479 |
| 2016 | 485 |
| 2017 | 474 |
| 2018 | 495 |
| 2019 | 398 |
| 2020 | 330 |
| 2021 | 307 |
| 2022 | 260 |
| 2023 | 247 |
| 2024 | 167 |