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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1939 | 1 |
| 1947 | 1 |
| 1950 | 2 |
| 1952 | 1 |
| 1953 | 1 |
| 1954 | 1 |
| 1956 | 2 |
| 1957 | 1 |
| 1958 | 1 |
| 1959 | 3 |
| 1960 | 2 |
| 1961 | 3 |
| 1962 | 2 |
| 1963 | 15 |
| 1964 | 22 |
| 1965 | 39 |
| 1966 | 34 |
| 1967 | 63 |
| 1968 | 119 |
| 1969 | 139 |
| 1970 | 197 |
| 1971 | 333 |
| 1972 | 497 |
| 1973 | 757 |
| 1974 | 1055 |
| 1975 | 1039 |
| 1976 | 1226 |
| 1977 | 1227 |
| 1978 | 1448 |
| 1979 | 1485 |
| 1980 | 1741 |
| 1981 | 1680 |
| 1982 | 1583 |
| 1983 | 1742 |
| 1984 | 1617 |
| 1985 | 1711 |
| 1986 | 1755 |
| 1987 | 1779 |
| 1988 | 1722 |
| 1989 | 1875 |
| 1990 | 1554 |
| 1991 | 1585 |
| 1992 | 1484 |
| 1993 | 1266 |
| 1994 | 1204 |
| 1995 | 1220 |
| 1996 | 1137 |
| 1997 | 1147 |
| 1998 | 1074 |
| 1999 | 1064 |
| 2000 | 1080 |
| 2001 | 1185 |
| 2002 | 1173 |
| 2003 | 1226 |
| 2004 | 1273 |
| 2005 | 1255 |
| 2006 | 1176 |
| 2007 | 1078 |
| 2008 | 1091 |
| 2009 | 990 |
| 2010 | 1013 |
| 2011 | 1016 |
| 2012 | 1019 |
| 2013 | 1021 |
| 2014 | 957 |
| 2015 | 945 |
| 2016 | 857 |
| 2017 | 813 |
| 2018 | 760 |
| 2019 | 700 |
| 2020 | 708 |
| 2021 | 592 |
| 2022 | 428 |
| 2023 | 382 |
| 2024 | 496 |
| 2025 | 252 |