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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1939 | 1 |
| 1945 | 4 |
| 1946 | 23 |
| 1947 | 19 |
| 1948 | 25 |
| 1949 | 14 |
| 1950 | 33 |
| 1951 | 37 |
| 1952 | 36 |
| 1953 | 51 |
| 1954 | 50 |
| 1955 | 48 |
| 1956 | 40 |
| 1957 | 37 |
| 1958 | 41 |
| 1959 | 50 |
| 1960 | 55 |
| 1961 | 56 |
| 1962 | 47 |
| 1963 | 63 |
| 1964 | 71 |
| 1965 | 75 |
| 1966 | 49 |
| 1967 | 53 |
| 1968 | 31 |
| 1969 | 36 |
| 1970 | 21 |
| 1971 | 18 |
| 1972 | 21 |
| 1973 | 19 |
| 1974 | 12 |
| 1975 | 15 |
| 1976 | 15 |
| 1977 | 18 |
| 1978 | 33 |
| 1979 | 34 |
| 1980 | 59 |
| 1981 | 68 |
| 1982 | 57 |
| 1983 | 65 |
| 1984 | 47 |
| 1985 | 67 |
| 1986 | 65 |
| 1987 | 154 |
| 1988 | 250 |
| 1989 | 325 |
| 1990 | 364 |
| 1991 | 418 |
| 1992 | 551 |
| 1993 | 522 |
| 1994 | 634 |
| 1995 | 635 |
| 1996 | 695 |
| 1997 | 693 |
| 1998 | 733 |
| 1999 | 728 |
| 2000 | 830 |
| 2001 | 972 |
| 2002 | 975 |
| 2003 | 1222 |
| 2004 | 1433 |
| 2005 | 1544 |
| 2006 | 1585 |
| 2007 | 1767 |
| 2008 | 1429 |
| 2009 | 1532 |
| 2010 | 1723 |
| 2011 | 1911 |
| 2012 | 1886 |
| 2013 | 2099 |
| 2014 | 2543 |
| 2015 | 2936 |
| 2016 | 2976 |
| 2017 | 3104 |
| 2018 | 3263 |
| 2019 | 3248 |
| 2020 | 2995 |
| 2021 | 2354 |
| 2022 | 1075 |
| 2023 | 960 |
| 2024 | 1171 |