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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1925 | 1 |
| 1938 | 1 |
| 1944 | 1 |
| 1947 | 1 |
| 1949 | 3 |
| 1950 | 2 |
| 1952 | 1 |
| 1954 | 1 |
| 1955 | 1 |
| 1957 | 1 |
| 1960 | 1 |
| 1961 | 3 |
| 1962 | 2 |
| 1963 | 4 |
| 1964 | 4 |
| 1965 | 4 |
| 1966 | 3 |
| 1967 | 7 |
| 1968 | 13 |
| 1969 | 8 |
| 1970 | 9 |
| 1971 | 18 |
| 1972 | 43 |
| 1973 | 51 |
| 1974 | 54 |
| 1975 | 41 |
| 1976 | 102 |
| 1977 | 393 |
| 1978 | 443 |
| 1979 | 409 |
| 1980 | 488 |
| 1981 | 407 |
| 1982 | 424 |
| 1983 | 509 |
| 1984 | 645 |
| 1985 | 559 |
| 1986 | 627 |
| 1987 | 777 |
| 1988 | 925 |
| 1989 | 913 |
| 1990 | 541 |
| 1991 | 650 |
| 1992 | 725 |
| 1993 | 724 |
| 1994 | 632 |
| 1995 | 697 |
| 1996 | 685 |
| 1997 | 730 |
| 1998 | 739 |
| 1999 | 482 |
| 2000 | 309 |
| 2001 | 229 |
| 2002 | 261 |
| 2003 | 269 |
| 2004 | 251 |
| 2005 | 288 |
| 2006 | 332 |
| 2007 | 323 |
| 2008 | 328 |
| 2009 | 344 |
| 2010 | 330 |
| 2011 | 346 |
| 2012 | 431 |
| 2013 | 429 |
| 2014 | 366 |
| 2015 | 378 |
| 2016 | 370 |
| 2017 | 339 |
| 2018 | 363 |
| 2019 | 326 |
| 2020 | 294 |
| 2021 | 318 |
| 2022 | 234 |
| 2023 | 206 |
| 2024 | 273 |
| 2025 | 159 |