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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 1 |
| 1948 | 2 |
| 1949 | 6 |
| 1950 | 1 |
| 1951 | 1 |
| 1952 | 1 |
| 1953 | 1 |
| 1955 | 1 |
| 1957 | 3 |
| 1958 | 4 |
| 1959 | 10 |
| 1960 | 5 |
| 1961 | 1 |
| 1962 | 6 |
| 1963 | 8 |
| 1964 | 11 |
| 1965 | 9 |
| 1966 | 2 |
| 1970 | 2 |
| 1971 | 3 |
| 1972 | 4 |
| 1973 | 3 |
| 1974 | 17 |
| 1975 | 6 |
| 1976 | 11 |
| 1977 | 11 |
| 1978 | 10 |
| 1979 | 31 |
| 1980 | 18 |
| 1981 | 42 |
| 1982 | 45 |
| 1983 | 49 |
| 1984 | 58 |
| 1985 | 83 |
| 1986 | 94 |
| 1987 | 99 |
| 1988 | 118 |
| 1989 | 134 |
| 1990 | 115 |
| 1991 | 152 |
| 1992 | 192 |
| 1993 | 214 |
| 1994 | 268 |
| 1995 | 285 |
| 1996 | 378 |
| 1997 | 445 |
| 1998 | 419 |
| 1999 | 462 |
| 2000 | 589 |
| 2001 | 710 |
| 2002 | 865 |
| 2003 | 1060 |
| 2004 | 1385 |
| 2005 | 1789 |
| 2006 | 2186 |
| 2007 | 2434 |
| 2008 | 2950 |
| 2009 | 3526 |
| 2010 | 4130 |
| 2011 | 5056 |
| 2012 | 5935 |
| 2013 | 7091 |
| 2014 | 8427 |
| 2015 | 9759 |
| 2016 | 10158 |
| 2017 | 11175 |
| 2018 | 12874 |
| 2019 | 15333 |
| 2020 | 18370 |
| 2021 | 21196 |
| 2022 | 25468 |
| 2023 | 12200 |