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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 3 |
| 1948 | 3 |
| 1949 | 1 |
| 1952 | 1 |
| 1954 | 2 |
| 1955 | 3 |
| 1957 | 2 |
| 1958 | 3 |
| 1959 | 7 |
| 1960 | 3 |
| 1961 | 2 |
| 1962 | 1 |
| 1964 | 1 |
| 1965 | 3 |
| 1966 | 5 |
| 1967 | 10 |
| 1968 | 12 |
| 1969 | 15 |
| 1970 | 20 |
| 1971 | 21 |
| 1972 | 22 |
| 1973 | 20 |
| 1974 | 35 |
| 1975 | 38 |
| 1976 | 20 |
| 1977 | 38 |
| 1978 | 40 |
| 1979 | 42 |
| 1980 | 49 |
| 1981 | 37 |
| 1982 | 55 |
| 1983 | 57 |
| 1984 | 54 |
| 1985 | 60 |
| 1986 | 64 |
| 1987 | 71 |
| 1988 | 67 |
| 1989 | 77 |
| 1990 | 80 |
| 1991 | 86 |
| 1992 | 93 |
| 1993 | 112 |
| 1994 | 101 |
| 1995 | 91 |
| 1996 | 97 |
| 1997 | 102 |
| 1998 | 88 |
| 1999 | 98 |
| 2000 | 124 |
| 2001 | 140 |
| 2002 | 173 |
| 2003 | 166 |
| 2004 | 189 |
| 2005 | 214 |
| 2006 | 247 |
| 2007 | 257 |
| 2008 | 273 |
| 2009 | 294 |
| 2010 | 314 |
| 2011 | 316 |
| 2012 | 375 |
| 2013 | 388 |
| 2014 | 406 |
| 2015 | 446 |
| 2016 | 419 |
| 2017 | 437 |
| 2018 | 479 |
| 2019 | 517 |
| 2020 | 488 |
| 2021 | 414 |
| 2022 | 314 |
| 2023 | 269 |
| 2024 | 324 |