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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1942 | 2 |
| 1944 | 1 |
| 1945 | 2 |
| 1946 | 7 |
| 1947 | 9 |
| 1948 | 10 |
| 1949 | 4 |
| 1950 | 4 |
| 1951 | 12 |
| 1952 | 19 |
| 1953 | 24 |
| 1954 | 23 |
| 1955 | 16 |
| 1956 | 8 |
| 1957 | 10 |
| 1958 | 10 |
| 1959 | 9 |
| 1960 | 8 |
| 1961 | 12 |
| 1962 | 9 |
| 1963 | 15 |
| 1964 | 10 |
| 1965 | 12 |
| 1967 | 33 |
| 1968 | 55 |
| 1969 | 73 |
| 1970 | 58 |
| 1971 | 47 |
| 1972 | 52 |
| 1973 | 35 |
| 1974 | 50 |
| 1975 | 31 |
| 1976 | 43 |
| 1977 | 46 |
| 1978 | 46 |
| 1979 | 54 |
| 1980 | 62 |
| 1981 | 61 |
| 1982 | 77 |
| 1983 | 72 |
| 1984 | 98 |
| 1985 | 129 |
| 1986 | 122 |
| 1987 | 116 |
| 1988 | 151 |
| 1989 | 157 |
| 1990 | 205 |
| 1991 | 270 |
| 1992 | 231 |
| 1993 | 248 |
| 1994 | 331 |
| 1995 | 292 |
| 1996 | 294 |
| 1997 | 330 |
| 1998 | 346 |
| 1999 | 423 |
| 2000 | 369 |
| 2001 | 424 |
| 2002 | 452 |
| 2003 | 374 |
| 2004 | 457 |
| 2005 | 578 |
| 2006 | 617 |
| 2007 | 846 |
| 2008 | 738 |
| 2009 | 690 |
| 2010 | 804 |
| 2011 | 905 |
| 2012 | 933 |
| 2013 | 978 |
| 2014 | 1050 |
| 2015 | 1114 |
| 2016 | 1066 |
| 2017 | 1068 |
| 2018 | 1110 |
| 2019 | 1174 |
| 2020 | 992 |
| 2021 | 697 |
| 2022 | 464 |
| 2023 | 375 |
| 2024 | 106 |