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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 3 |
| 1951 | 2 |
| 1952 | 8 |
| 1953 | 7 |
| 1954 | 9 |
| 1955 | 10 |
| 1956 | 20 |
| 1957 | 16 |
| 1958 | 14 |
| 1959 | 45 |
| 1960 | 51 |
| 1961 | 49 |
| 1962 | 39 |
| 1963 | 1 |
| 1964 | 7 |
| 1965 | 81 |
| 1966 | 293 |
| 1967 | 468 |
| 1968 | 585 |
| 1969 | 650 |
| 1970 | 798 |
| 1971 | 965 |
| 1972 | 921 |
| 1973 | 938 |
| 1974 | 1032 |
| 1975 | 828 |
| 1976 | 695 |
| 1977 | 776 |
| 1978 | 763 |
| 1979 | 893 |
| 1980 | 1005 |
| 1981 | 1044 |
| 1982 | 1153 |
| 1983 | 1234 |
| 1984 | 1319 |
| 1985 | 1320 |
| 1986 | 1298 |
| 1987 | 1211 |
| 1988 | 1321 |
| 1989 | 1580 |
| 1990 | 1724 |
| 1991 | 1596 |
| 1992 | 1543 |
| 1993 | 1583 |
| 1994 | 1687 |
| 1995 | 1881 |
| 1996 | 1937 |
| 1997 | 2165 |
| 1998 | 2318 |
| 1999 | 2444 |
| 2000 | 2568 |
| 2001 | 2547 |
| 2002 | 2550 |
| 2003 | 2930 |
| 2004 | 3031 |
| 2005 | 3183 |
| 2006 | 3653 |
| 2007 | 3771 |
| 2008 | 4023 |
| 2009 | 4019 |
| 2010 | 4534 |
| 2011 | 5100 |
| 2012 | 5155 |
| 2013 | 5282 |
| 2014 | 5270 |
| 2015 | 5485 |
| 2016 | 5876 |
| 2017 | 5901 |
| 2018 | 6026 |
| 2019 | 6394 |
| 2020 | 6522 |
| 2021 | 6223 |
| 2022 | 4806 |
| 2023 | 4201 |
| 2024 | 1772 |