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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1949 | 1 |
| 1950 | 1 |
| 1954 | 1 |
| 1957 | 2 |
| 1960 | 2 |
| 1961 | 2 |
| 1962 | 7 |
| 1963 | 1 |
| 1964 | 3 |
| 1965 | 6 |
| 1966 | 4 |
| 1967 | 9 |
| 1968 | 9 |
| 1969 | 9 |
| 1970 | 9 |
| 1971 | 12 |
| 1972 | 11 |
| 1973 | 12 |
| 1974 | 23 |
| 1975 | 26 |
| 1976 | 17 |
| 1977 | 17 |
| 1978 | 15 |
| 1979 | 13 |
| 1980 | 14 |
| 1981 | 25 |
| 1982 | 35 |
| 1983 | 110 |
| 1984 | 137 |
| 1985 | 119 |
| 1986 | 109 |
| 1987 | 115 |
| 1988 | 115 |
| 1989 | 141 |
| 1990 | 147 |
| 1991 | 149 |
| 1992 | 170 |
| 1993 | 189 |
| 1994 | 194 |
| 1995 | 183 |
| 1996 | 158 |
| 1997 | 264 |
| 1998 | 390 |
| 1999 | 427 |
| 2000 | 478 |
| 2001 | 473 |
| 2002 | 467 |
| 2003 | 560 |
| 2004 | 619 |
| 2005 | 796 |
| 2006 | 952 |
| 2007 | 978 |
| 2008 | 992 |
| 2009 | 1073 |
| 2010 | 1152 |
| 2011 | 1371 |
| 2012 | 1574 |
| 2013 | 1530 |
| 2014 | 1659 |
| 2015 | 1814 |
| 2016 | 1875 |
| 2017 | 1761 |
| 2018 | 1857 |
| 2019 | 1883 |
| 2020 | 2287 |
| 2021 | 2554 |
| 2022 | 2462 |
| 2023 | 2317 |
| 2024 | 812 |