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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1945 | 1 |
| 1949 | 1 |
| 1950 | 1 |
| 1951 | 2 |
| 1952 | 7 |
| 1953 | 4 |
| 1954 | 5 |
| 1955 | 5 |
| 1956 | 4 |
| 1957 | 3 |
| 1959 | 2 |
| 1960 | 2 |
| 1961 | 12 |
| 1962 | 7 |
| 1963 | 10 |
| 1964 | 18 |
| 1965 | 15 |
| 1966 | 18 |
| 1967 | 16 |
| 1968 | 26 |
| 1969 | 25 |
| 1970 | 24 |
| 1971 | 37 |
| 1972 | 26 |
| 1973 | 36 |
| 1974 | 39 |
| 1975 | 40 |
| 1976 | 32 |
| 1977 | 43 |
| 1978 | 71 |
| 1979 | 58 |
| 1980 | 83 |
| 1981 | 74 |
| 1982 | 98 |
| 1983 | 128 |
| 1984 | 102 |
| 1985 | 123 |
| 1986 | 121 |
| 1987 | 126 |
| 1988 | 152 |
| 1989 | 191 |
| 1990 | 185 |
| 1991 | 200 |
| 1992 | 180 |
| 1993 | 212 |
| 1994 | 225 |
| 1995 | 241 |
| 1996 | 262 |
| 1997 | 255 |
| 1998 | 292 |
| 1999 | 303 |
| 2000 | 334 |
| 2001 | 352 |
| 2002 | 324 |
| 2003 | 350 |
| 2004 | 372 |
| 2005 | 381 |
| 2006 | 364 |
| 2007 | 389 |
| 2008 | 428 |
| 2009 | 433 |
| 2010 | 483 |
| 2011 | 498 |
| 2012 | 516 |
| 2013 | 535 |
| 2014 | 567 |
| 2015 | 556 |
| 2016 | 564 |
| 2017 | 612 |
| 2018 | 631 |
| 2019 | 579 |
| 2020 | 667 |
| 2021 | 727 |
| 2022 | 638 |
| 2023 | 69 |