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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1949 | 1 |
| 1950 | 2 |
| 1951 | 3 |
| 1952 | 2 |
| 1954 | 1 |
| 1959 | 1 |
| 1960 | 5 |
| 1961 | 5 |
| 1962 | 5 |
| 1963 | 5 |
| 1964 | 8 |
| 1965 | 4 |
| 1966 | 2 |
| 1967 | 1 |
| 1968 | 1 |
| 1971 | 6 |
| 1972 | 47 |
| 1973 | 167 |
| 1974 | 162 |
| 1975 | 246 |
| 1976 | 306 |
| 1977 | 297 |
| 1978 | 343 |
| 1979 | 398 |
| 1980 | 423 |
| 1981 | 462 |
| 1982 | 514 |
| 1983 | 547 |
| 1984 | 526 |
| 1985 | 641 |
| 1986 | 637 |
| 1987 | 709 |
| 1988 | 677 |
| 1989 | 848 |
| 1990 | 897 |
| 1991 | 918 |
| 1992 | 898 |
| 1993 | 1007 |
| 1994 | 1017 |
| 1995 | 1174 |
| 1996 | 1312 |
| 1997 | 1273 |
| 1998 | 1404 |
| 1999 | 1403 |
| 2000 | 1416 |
| 2001 | 1647 |
| 2002 | 1552 |
| 2003 | 1634 |
| 2004 | 1835 |
| 2005 | 1913 |
| 2006 | 2044 |
| 2007 | 1959 |
| 2008 | 1936 |
| 2009 | 1882 |
| 2010 | 2109 |
| 2011 | 2249 |
| 2012 | 2209 |
| 2013 | 2187 |
| 2014 | 2197 |
| 2015 | 2011 |
| 2016 | 2007 |
| 2017 | 1844 |
| 2018 | 1806 |
| 2019 | 1670 |
| 2020 | 1553 |
| 2021 | 1257 |
| 2022 | 778 |
| 2023 | 635 |
| 2024 | 207 |