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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1942 | 1 |
| 1945 | 9 |
| 1946 | 29 |
| 1947 | 45 |
| 1948 | 42 |
| 1949 | 52 |
| 1950 | 60 |
| 1951 | 91 |
| 1952 | 119 |
| 1953 | 166 |
| 1954 | 197 |
| 1955 | 210 |
| 1956 | 253 |
| 1957 | 244 |
| 1958 | 292 |
| 1959 | 247 |
| 1960 | 309 |
| 1961 | 369 |
| 1962 | 432 |
| 1963 | 543 |
| 1964 | 692 |
| 1965 | 326 |
| 1966 | 1969 |
| 1967 | 7446 |
| 1968 | 18468 |
| 1969 | 21299 |
| 1970 | 18050 |
| 1971 | 19491 |
| 1972 | 20890 |
| 1973 | 20686 |
| 1974 | 15131 |
| 1975 | 8370 |
| 1976 | 8092 |
| 1977 | 10076 |
| 1978 | 9954 |
| 1979 | 9236 |
| 1980 | 7257 |
| 1981 | 7426 |
| 1982 | 7736 |
| 1983 | 8216 |
| 1984 | 8255 |
| 1985 | 8628 |
| 1986 | 8888 |
| 1987 | 9359 |
| 1988 | 9867 |
| 1989 | 9933 |
| 1990 | 8768 |
| 1991 | 7579 |
| 1992 | 7404 |
| 1993 | 7175 |
| 1994 | 7823 |
| 1995 | 8833 |
| 1996 | 8937 |
| 1997 | 9512 |
| 1998 | 9749 |
| 1999 | 10567 |
| 2000 | 10670 |
| 2001 | 11530 |
| 2002 | 11961 |
| 2003 | 13211 |
| 2004 | 14142 |
| 2005 | 14890 |
| 2006 | 15946 |
| 2007 | 18102 |
| 2008 | 18808 |
| 2009 | 19376 |
| 2010 | 19369 |
| 2011 | 19414 |
| 2012 | 18708 |
| 2013 | 19931 |
| 2014 | 20173 |
| 2015 | 20566 |
| 2016 | 20428 |
| 2017 | 21572 |
| 2018 | 21692 |
| 2019 | 22058 |
| 2020 | 20083 |
| 2021 | 15827 |
| 2022 | 11538 |
| 2023 | 10211 |
| 2024 | 13542 |
| 2025 | 7403 |