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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 1 |
| 1947 | 4 |
| 1948 | 1 |
| 1949 | 4 |
| 1950 | 3 |
| 1951 | 4 |
| 1952 | 4 |
| 1953 | 8 |
| 1954 | 1 |
| 1955 | 4 |
| 1956 | 10 |
| 1957 | 12 |
| 1958 | 12 |
| 1959 | 16 |
| 1960 | 15 |
| 1961 | 14 |
| 1962 | 10 |
| 1963 | 36 |
| 1964 | 46 |
| 1965 | 61 |
| 1966 | 66 |
| 1967 | 81 |
| 1968 | 35 |
| 1969 | 25 |
| 1970 | 26 |
| 1971 | 14 |
| 1972 | 18 |
| 1973 | 26 |
| 1974 | 38 |
| 1975 | 47 |
| 1976 | 50 |
| 1977 | 70 |
| 1978 | 118 |
| 1979 | 143 |
| 1980 | 107 |
| 1981 | 82 |
| 1982 | 112 |
| 1983 | 123 |
| 1984 | 101 |
| 1985 | 104 |
| 1986 | 95 |
| 1987 | 69 |
| 1988 | 115 |
| 1989 | 192 |
| 1990 | 200 |
| 1991 | 351 |
| 1992 | 393 |
| 1993 | 377 |
| 1994 | 327 |
| 1995 | 314 |
| 1996 | 283 |
| 1997 | 251 |
| 1998 | 295 |
| 1999 | 271 |
| 2000 | 357 |
| 2001 | 335 |
| 2002 | 374 |
| 2003 | 352 |
| 2004 | 355 |
| 2005 | 361 |
| 2006 | 304 |
| 2007 | 302 |
| 2008 | 364 |
| 2009 | 314 |
| 2010 | 362 |
| 2011 | 388 |
| 2012 | 391 |
| 2013 | 437 |
| 2014 | 407 |
| 2015 | 384 |
| 2016 | 313 |
| 2017 | 240 |
| 2018 | 211 |
| 2019 | 228 |
| 2020 | 160 |
| 2021 | 101 |
| 2022 | 40 |
| 2023 | 46 |
| 2024 | 108 |
| 2025 | 91 |