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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 3 |
| 1951 | 10 |
| 1952 | 46 |
| 1953 | 159 |
| 1954 | 187 |
| 1955 | 178 |
| 1956 | 114 |
| 1957 | 56 |
| 1958 | 88 |
| 1959 | 60 |
| 1960 | 5 |
| 1961 | 5 |
| 1963 | 1 |
| 1964 | 3 |
| 1965 | 84 |
| 1966 | 110 |
| 1967 | 169 |
| 1968 | 147 |
| 1969 | 124 |
| 1970 | 171 |
| 1971 | 133 |
| 1972 | 138 |
| 1973 | 103 |
| 1974 | 152 |
| 1975 | 89 |
| 1976 | 130 |
| 1977 | 88 |
| 1978 | 131 |
| 1979 | 157 |
| 1980 | 156 |
| 1981 | 183 |
| 1982 | 220 |
| 1983 | 233 |
| 1984 | 218 |
| 1985 | 246 |
| 1986 | 342 |
| 1987 | 556 |
| 1988 | 474 |
| 1989 | 568 |
| 1990 | 592 |
| 1991 | 582 |
| 1992 | 593 |
| 1993 | 701 |
| 1994 | 636 |
| 1995 | 998 |
| 1996 | 1551 |
| 1997 | 1670 |
| 1998 | 1750 |
| 1999 | 1909 |
| 2000 | 1994 |
| 2001 | 2180 |
| 2002 | 2347 |
| 2003 | 2445 |
| 2004 | 2582 |
| 2005 | 2859 |
| 2006 | 2793 |
| 2007 | 2934 |
| 2008 | 2943 |
| 2009 | 2921 |
| 2010 | 3193 |
| 2011 | 3312 |
| 2012 | 3626 |
| 2013 | 3906 |
| 2014 | 3907 |
| 2015 | 3890 |
| 2016 | 3741 |
| 2017 | 3833 |
| 2018 | 3976 |
| 2019 | 4338 |
| 2020 | 3789 |
| 2021 | 2668 |
| 2022 | 1535 |
| 2023 | 1238 |
| 2024 | 1526 |