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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 3 |
| 1948 | 1 |
| 1949 | 2 |
| 1950 | 2 |
| 1951 | 4 |
| 1952 | 5 |
| 1953 | 4 |
| 1954 | 1 |
| 1955 | 2 |
| 1956 | 1 |
| 1957 | 2 |
| 1958 | 2 |
| 1959 | 1 |
| 1960 | 1 |
| 1961 | 1 |
| 1962 | 3 |
| 1963 | 4 |
| 1964 | 7 |
| 1965 | 5 |
| 1967 | 12 |
| 1970 | 5 |
| 1971 | 7 |
| 1972 | 74 |
| 1973 | 212 |
| 1974 | 194 |
| 1975 | 210 |
| 1976 | 226 |
| 1977 | 242 |
| 1978 | 230 |
| 1979 | 215 |
| 1980 | 213 |
| 1981 | 147 |
| 1982 | 144 |
| 1983 | 221 |
| 1984 | 200 |
| 1985 | 214 |
| 1986 | 224 |
| 1987 | 255 |
| 1988 | 251 |
| 1989 | 235 |
| 1990 | 212 |
| 1991 | 244 |
| 1992 | 255 |
| 1993 | 258 |
| 1994 | 252 |
| 1995 | 260 |
| 1996 | 215 |
| 1997 | 266 |
| 1998 | 281 |
| 1999 | 350 |
| 2000 | 320 |
| 2001 | 374 |
| 2002 | 483 |
| 2003 | 479 |
| 2004 | 520 |
| 2005 | 563 |
| 2006 | 538 |
| 2007 | 566 |
| 2008 | 640 |
| 2009 | 665 |
| 2010 | 624 |
| 2011 | 662 |
| 2012 | 791 |
| 2013 | 779 |
| 2014 | 902 |
| 2015 | 972 |
| 2016 | 934 |
| 2017 | 932 |
| 2018 | 856 |
| 2019 | 907 |
| 2020 | 1112 |
| 2021 | 1056 |
| 2022 | 886 |
| 2023 | 728 |
| 2024 | 733 |
| 2025 | 675 |