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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 1 |
| 1952 | 2 |
| 1956 | 2 |
| 1958 | 2 |
| 1959 | 4 |
| 1961 | 1 |
| 1962 | 5 |
| 1963 | 1 |
| 1964 | 2 |
| 1965 | 6 |
| 1966 | 4 |
| 1967 | 1 |
| 1968 | 2 |
| 1969 | 2 |
| 1970 | 1 |
| 1971 | 3 |
| 1972 | 1 |
| 1973 | 4 |
| 1974 | 7 |
| 1975 | 2 |
| 1976 | 5 |
| 1977 | 5 |
| 1978 | 10 |
| 1979 | 12 |
| 1980 | 26 |
| 1981 | 13 |
| 1982 | 34 |
| 1983 | 37 |
| 1984 | 40 |
| 1985 | 38 |
| 1986 | 51 |
| 1987 | 55 |
| 1988 | 61 |
| 1989 | 60 |
| 1990 | 64 |
| 1991 | 84 |
| 1992 | 103 |
| 1993 | 122 |
| 1994 | 160 |
| 1995 | 189 |
| 1996 | 202 |
| 1997 | 228 |
| 1998 | 238 |
| 1999 | 274 |
| 2000 | 345 |
| 2001 | 383 |
| 2002 | 508 |
| 2003 | 626 |
| 2004 | 741 |
| 2005 | 930 |
| 2006 | 1104 |
| 2007 | 1243 |
| 2008 | 1501 |
| 2009 | 1646 |
| 2010 | 2010 |
| 2011 | 2459 |
| 2012 | 2766 |
| 2013 | 3197 |
| 2014 | 3835 |
| 2015 | 4222 |
| 2016 | 4581 |
| 2017 | 4982 |
| 2018 | 5590 |
| 2019 | 6524 |
| 2020 | 7547 |
| 2021 | 8672 |
| 2022 | 10207 |
| 2023 | 9785 |
| 2024 | 4342 |