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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 1 |
| 1947 | 1 |
| 1948 | 2 |
| 1949 | 2 |
| 1950 | 9 |
| 1951 | 8 |
| 1952 | 14 |
| 1953 | 9 |
| 1954 | 10 |
| 1955 | 13 |
| 1956 | 17 |
| 1957 | 16 |
| 1958 | 21 |
| 1959 | 18 |
| 1960 | 24 |
| 1961 | 25 |
| 1962 | 38 |
| 1963 | 24 |
| 1964 | 27 |
| 1965 | 16 |
| 1966 | 3 |
| 1967 | 4 |
| 1968 | 7 |
| 1969 | 2 |
| 1970 | 3 |
| 1971 | 15 |
| 1972 | 104 |
| 1973 | 412 |
| 1974 | 477 |
| 1975 | 473 |
| 1976 | 426 |
| 1977 | 485 |
| 1978 | 518 |
| 1979 | 625 |
| 1980 | 650 |
| 1981 | 687 |
| 1982 | 734 |
| 1983 | 882 |
| 1984 | 1025 |
| 1985 | 1199 |
| 1986 | 1423 |
| 1987 | 1554 |
| 1988 | 1778 |
| 1989 | 2342 |
| 1990 | 2412 |
| 1991 | 2727 |
| 1992 | 2912 |
| 1993 | 3175 |
| 1994 | 3311 |
| 1995 | 3575 |
| 1996 | 3647 |
| 1997 | 4027 |
| 1998 | 3869 |
| 1999 | 4056 |
| 2000 | 4502 |
| 2001 | 4721 |
| 2002 | 5082 |
| 2003 | 4980 |
| 2004 | 4345 |
| 2005 | 4072 |
| 2006 | 4035 |
| 2007 | 3926 |
| 2008 | 3954 |
| 2009 | 3786 |
| 2010 | 3625 |
| 2011 | 3676 |
| 2012 | 3593 |
| 2013 | 3569 |
| 2014 | 3148 |
| 2015 | 3026 |
| 2016 | 2697 |
| 2017 | 2515 |
| 2018 | 2424 |
| 2019 | 2367 |
| 2020 | 2457 |
| 2021 | 2270 |
| 2022 | 1465 |
| 2023 | 1172 |
| 2024 | 1173 |
| 2025 | 30 |