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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1953 | 2 |
| 1954 | 4 |
| 1955 | 4 |
| 1957 | 11 |
| 1958 | 8 |
| 1959 | 10 |
| 1960 | 13 |
| 1961 | 12 |
| 1962 | 8 |
| 1964 | 1 |
| 1965 | 15 |
| 1966 | 37 |
| 1967 | 34 |
| 1968 | 28 |
| 1969 | 36 |
| 1970 | 34 |
| 1971 | 37 |
| 1972 | 50 |
| 1973 | 22 |
| 1974 | 42 |
| 1975 | 31 |
| 1976 | 37 |
| 1977 | 33 |
| 1978 | 37 |
| 1979 | 30 |
| 1980 | 31 |
| 1981 | 24 |
| 1982 | 37 |
| 1983 | 57 |
| 1984 | 54 |
| 1985 | 54 |
| 1986 | 66 |
| 1987 | 59 |
| 1988 | 88 |
| 1989 | 139 |
| 1990 | 118 |
| 1991 | 116 |
| 1992 | 145 |
| 1993 | 164 |
| 1994 | 162 |
| 1995 | 177 |
| 1996 | 197 |
| 1997 | 185 |
| 1998 | 248 |
| 1999 | 236 |
| 2000 | 304 |
| 2001 | 353 |
| 2002 | 371 |
| 2003 | 446 |
| 2004 | 453 |
| 2005 | 535 |
| 2006 | 510 |
| 2007 | 665 |
| 2008 | 740 |
| 2009 | 666 |
| 2010 | 747 |
| 2011 | 774 |
| 2012 | 924 |
| 2013 | 982 |
| 2014 | 1091 |
| 2015 | 1132 |
| 2016 | 1058 |
| 2017 | 973 |
| 2018 | 1022 |
| 2019 | 1032 |
| 2020 | 1401 |
| 2021 | 1483 |
| 2022 | 1428 |
| 2023 | 1376 |
| 2024 | 593 |