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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1945 | 3 |
| 1946 | 16 |
| 1947 | 24 |
| 1948 | 32 |
| 1949 | 26 |
| 1950 | 26 |
| 1951 | 34 |
| 1952 | 28 |
| 1953 | 46 |
| 1954 | 42 |
| 1955 | 49 |
| 1956 | 57 |
| 1957 | 69 |
| 1958 | 68 |
| 1959 | 70 |
| 1960 | 71 |
| 1961 | 101 |
| 1962 | 130 |
| 1963 | 184 |
| 1964 | 277 |
| 1965 | 211 |
| 1966 | 18 |
| 1967 | 210 |
| 1968 | 439 |
| 1969 | 346 |
| 1970 | 415 |
| 1971 | 578 |
| 1972 | 718 |
| 1973 | 750 |
| 1974 | 807 |
| 1975 | 674 |
| 1976 | 702 |
| 1977 | 589 |
| 1978 | 638 |
| 1979 | 623 |
| 1980 | 574 |
| 1981 | 527 |
| 1982 | 616 |
| 1983 | 606 |
| 1984 | 606 |
| 1985 | 661 |
| 1986 | 605 |
| 1987 | 647 |
| 1988 | 729 |
| 1989 | 828 |
| 1990 | 1031 |
| 1991 | 972 |
| 1992 | 1046 |
| 1993 | 1048 |
| 1994 | 1262 |
| 1995 | 1232 |
| 1996 | 1353 |
| 1997 | 1361 |
| 1998 | 1303 |
| 1999 | 1254 |
| 2000 | 1421 |
| 2001 | 1505 |
| 2002 | 1602 |
| 2003 | 1724 |
| 2004 | 1943 |
| 2005 | 2414 |
| 2006 | 2823 |
| 2007 | 3056 |
| 2008 | 3348 |
| 2009 | 3491 |
| 2010 | 3587 |
| 2011 | 3803 |
| 2012 | 4213 |
| 2013 | 4311 |
| 2014 | 4688 |
| 2015 | 4733 |
| 2016 | 3915 |
| 2017 | 1335 |
| 2018 | 3 |
| 2026 | 0 |