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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 3 |
| 1947 | 2 |
| 1948 | 9 |
| 1949 | 1 |
| 1950 | 11 |
| 1951 | 14 |
| 1952 | 32 |
| 1953 | 15 |
| 1954 | 13 |
| 1955 | 25 |
| 1956 | 30 |
| 1957 | 17 |
| 1958 | 18 |
| 1959 | 19 |
| 1960 | 9 |
| 1961 | 18 |
| 1962 | 19 |
| 1963 | 19 |
| 1964 | 38 |
| 1965 | 23 |
| 1967 | 3 |
| 1970 | 4 |
| 1972 | 2 |
| 1973 | 7 |
| 1974 | 59 |
| 1975 | 105 |
| 1976 | 95 |
| 1977 | 124 |
| 1978 | 176 |
| 1979 | 174 |
| 1980 | 84 |
| 1981 | 81 |
| 1982 | 114 |
| 1983 | 125 |
| 1984 | 124 |
| 1985 | 187 |
| 1986 | 143 |
| 1987 | 196 |
| 1988 | 222 |
| 1989 | 273 |
| 1990 | 293 |
| 1991 | 452 |
| 1992 | 842 |
| 1993 | 583 |
| 1994 | 457 |
| 1995 | 511 |
| 1996 | 378 |
| 1997 | 550 |
| 1998 | 590 |
| 1999 | 640 |
| 2000 | 626 |
| 2001 | 593 |
| 2002 | 757 |
| 2003 | 809 |
| 2004 | 925 |
| 2005 | 970 |
| 2006 | 1103 |
| 2007 | 1091 |
| 2008 | 1101 |
| 2009 | 1093 |
| 2010 | 1435 |
| 2011 | 1477 |
| 2012 | 1524 |
| 2013 | 1576 |
| 2014 | 1630 |
| 2015 | 1597 |
| 2016 | 1647 |
| 2017 | 1663 |
| 2018 | 1522 |
| 2019 | 1280 |
| 2020 | 1025 |
| 2021 | 851 |
| 2022 | 555 |
| 2023 | 614 |
| 2024 | 613 |
| 2025 | 328 |