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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1942 | 1 |
| 1943 | 1 |
| 1945 | 1 |
| 1946 | 3 |
| 1947 | 6 |
| 1948 | 6 |
| 1949 | 8 |
| 1950 | 11 |
| 1951 | 8 |
| 1952 | 3 |
| 1953 | 12 |
| 1954 | 17 |
| 1955 | 26 |
| 1956 | 24 |
| 1957 | 33 |
| 1958 | 42 |
| 1959 | 40 |
| 1960 | 66 |
| 1961 | 56 |
| 1962 | 54 |
| 1963 | 164 |
| 1964 | 282 |
| 1965 | 175 |
| 1966 | 181 |
| 1967 | 199 |
| 1968 | 229 |
| 1969 | 249 |
| 1970 | 246 |
| 1971 | 286 |
| 1972 | 289 |
| 1973 | 325 |
| 1974 | 319 |
| 1975 | 369 |
| 1976 | 350 |
| 1977 | 339 |
| 1978 | 293 |
| 1979 | 356 |
| 1980 | 306 |
| 1981 | 319 |
| 1982 | 335 |
| 1983 | 332 |
| 1984 | 341 |
| 1985 | 319 |
| 1986 | 307 |
| 1987 | 279 |
| 1988 | 297 |
| 1989 | 339 |
| 1990 | 326 |
| 1991 | 329 |
| 1992 | 289 |
| 1993 | 323 |
| 1994 | 331 |
| 1995 | 355 |
| 1996 | 298 |
| 1997 | 323 |
| 1998 | 338 |
| 1999 | 354 |
| 2000 | 378 |
| 2001 | 336 |
| 2002 | 392 |
| 2003 | 393 |
| 2004 | 450 |
| 2005 | 490 |
| 2006 | 502 |
| 2007 | 570 |
| 2008 | 562 |
| 2009 | 563 |
| 2010 | 607 |
| 2011 | 642 |
| 2012 | 692 |
| 2013 | 809 |
| 2014 | 749 |
| 2015 | 728 |
| 2016 | 685 |
| 2017 | 670 |
| 2018 | 667 |
| 2019 | 723 |
| 2020 | 794 |
| 2021 | 854 |
| 2022 | 864 |
| 2023 | 734 |
| 2024 | 777 |
| 2025 | 856 |
| 2026 | 681 |