Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1916 | 1 |
| 1934 | 1 |
| 1938 | 1 |
| 1939 | 1 |
| 1940 | 1 |
| 1942 | 2 |
| 1943 | 1 |
| 1944 | 1 |
| 1945 | 5 |
| 1946 | 31 |
| 1947 | 37 |
| 1948 | 15 |
| 1949 | 18 |
| 1950 | 28 |
| 1951 | 39 |
| 1952 | 46 |
| 1953 | 21 |
| 1954 | 21 |
| 1955 | 23 |
| 1956 | 10 |
| 1957 | 14 |
| 1958 | 19 |
| 1959 | 23 |
| 1960 | 13 |
| 1961 | 15 |
| 1962 | 25 |
| 1963 | 31 |
| 1964 | 50 |
| 1965 | 97 |
| 1966 | 668 |
| 1967 | 2519 |
| 1968 | 5511 |
| 1969 | 6827 |
| 1970 | 8080 |
| 1971 | 8486 |
| 1972 | 8482 |
| 1973 | 9377 |
| 1974 | 9607 |
| 1975 | 8753 |
| 1976 | 7777 |
| 1977 | 7319 |
| 1978 | 6759 |
| 1979 | 6104 |
| 1980 | 5446 |
| 1981 | 5214 |
| 1982 | 5822 |
| 1983 | 6275 |
| 1984 | 6303 |
| 1985 | 6553 |
| 1986 | 6074 |
| 1987 | 5567 |
| 1988 | 5793 |
| 1989 | 6384 |
| 1990 | 6721 |
| 1991 | 6734 |
| 1992 | 7315 |
| 1993 | 7549 |
| 1994 | 7300 |
| 1995 | 7552 |
| 1996 | 7555 |
| 1997 | 7819 |
| 1998 | 7697 |
| 1999 | 8188 |
| 2000 | 8968 |
| 2001 | 9622 |
| 2002 | 9858 |
| 2003 | 10395 |
| 2004 | 11217 |
| 2005 | 12847 |
| 2006 | 12927 |
| 2007 | 14292 |
| 2008 | 15476 |
| 2009 | 16662 |
| 2010 | 18098 |
| 2011 | 18753 |
| 2012 | 20168 |
| 2013 | 20718 |
| 2014 | 20594 |
| 2015 | 19709 |
| 2016 | 18282 |
| 2017 | 18631 |
| 2018 | 18399 |
| 2019 | 17751 |
| 2020 | 15431 |
| 2021 | 9590 |
| 2022 | 1084 |
