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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1957 | 3 |
| 1959 | 6 |
| 1960 | 1 |
| 1963 | 2 |
| 1964 | 1 |
| 1965 | 34 |
| 1966 | 62 |
| 1967 | 80 |
| 1968 | 45 |
| 1969 | 62 |
| 1970 | 31 |
| 1971 | 28 |
| 1972 | 33 |
| 1973 | 33 |
| 1974 | 32 |
| 1975 | 24 |
| 1976 | 11 |
| 1977 | 14 |
| 1978 | 31 |
| 1979 | 12 |
| 1980 | 33 |
| 1981 | 32 |
| 1982 | 22 |
| 1983 | 30 |
| 1984 | 30 |
| 1985 | 22 |
| 1986 | 32 |
| 1987 | 24 |
| 1988 | 14 |
| 1989 | 20 |
| 1990 | 32 |
| 1991 | 11 |
| 1992 | 17 |
| 1993 | 21 |
| 1994 | 28 |
| 1995 | 65 |
| 1996 | 119 |
| 1997 | 116 |
| 1998 | 127 |
| 1999 | 129 |
| 2000 | 144 |
| 2001 | 142 |
| 2002 | 156 |
| 2003 | 181 |
| 2004 | 182 |
| 2005 | 205 |
| 2006 | 243 |
| 2007 | 295 |
| 2008 | 323 |
| 2009 | 323 |
| 2010 | 320 |
| 2011 | 379 |
| 2012 | 420 |
| 2013 | 456 |
| 2014 | 436 |
| 2015 | 434 |
| 2016 | 447 |
| 2017 | 407 |
| 2018 | 413 |
| 2019 | 414 |
| 2020 | 397 |
| 2021 | 390 |
| 2022 | 464 |
| 2023 | 446 |
| 2024 | 131 |