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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1952 | 1 |
| 1953 | 3 |
| 1954 | 3 |
| 1955 | 5 |
| 1956 | 4 |
| 1957 | 2 |
| 1958 | 8 |
| 1959 | 5 |
| 1960 | 5 |
| 1961 | 3 |
| 1962 | 6 |
| 1964 | 1 |
| 1965 | 18 |
| 1966 | 34 |
| 1967 | 39 |
| 1968 | 49 |
| 1969 | 55 |
| 1970 | 57 |
| 1971 | 77 |
| 1972 | 83 |
| 1973 | 99 |
| 1974 | 120 |
| 1975 | 101 |
| 1976 | 78 |
| 1977 | 71 |
| 1978 | 100 |
| 1979 | 171 |
| 1980 | 132 |
| 1981 | 160 |
| 1982 | 144 |
| 1983 | 138 |
| 1984 | 153 |
| 1985 | 157 |
| 1986 | 163 |
| 1987 | 147 |
| 1988 | 195 |
| 1989 | 195 |
| 1990 | 204 |
| 1991 | 190 |
| 1992 | 192 |
| 1993 | 221 |
| 1994 | 452 |
| 1995 | 502 |
| 1996 | 560 |
| 1997 | 676 |
| 1998 | 866 |
| 1999 | 685 |
| 2000 | 799 |
| 2001 | 743 |
| 2002 | 789 |
| 2003 | 725 |
| 2004 | 777 |
| 2005 | 922 |
| 2006 | 1085 |
| 2007 | 1056 |
| 2008 | 1075 |
| 2009 | 1068 |
| 2010 | 920 |
| 2011 | 876 |
| 2012 | 799 |
| 2013 | 805 |
| 2014 | 666 |
| 2015 | 650 |
| 2016 | 607 |
| 2017 | 658 |
| 2018 | 696 |
| 2019 | 608 |
| 2020 | 413 |
| 2021 | 305 |
| 2022 | 167 |
| 2023 | 160 |
| 2024 | 97 |