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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 1 |
| 1947 | 1 |
| 1948 | 3 |
| 1949 | 3 |
| 1950 | 1 |
| 1951 | 3 |
| 1952 | 2 |
| 1953 | 2 |
| 1955 | 3 |
| 1956 | 4 |
| 1957 | 6 |
| 1958 | 5 |
| 1959 | 20 |
| 1960 | 6 |
| 1961 | 7 |
| 1962 | 10 |
| 1963 | 15 |
| 1964 | 22 |
| 1965 | 15 |
| 1966 | 12 |
| 1967 | 28 |
| 1968 | 26 |
| 1969 | 40 |
| 1970 | 48 |
| 1971 | 32 |
| 1972 | 60 |
| 1973 | 57 |
| 1974 | 98 |
| 1975 | 64 |
| 1976 | 53 |
| 1977 | 60 |
| 1978 | 55 |
| 1979 | 57 |
| 1980 | 49 |
| 1981 | 66 |
| 1982 | 63 |
| 1983 | 94 |
| 1984 | 101 |
| 1985 | 136 |
| 1986 | 138 |
| 1987 | 144 |
| 1988 | 194 |
| 1989 | 242 |
| 1990 | 280 |
| 1991 | 299 |
| 1992 | 288 |
| 1993 | 333 |
| 1994 | 347 |
| 1995 | 375 |
| 1996 | 429 |
| 1997 | 493 |
| 1998 | 506 |
| 1999 | 511 |
| 2000 | 591 |
| 2001 | 670 |
| 2002 | 859 |
| 2003 | 837 |
| 2004 | 965 |
| 2005 | 1177 |
| 2006 | 1381 |
| 2007 | 1589 |
| 2008 | 1784 |
| 2009 | 2033 |
| 2010 | 2303 |
| 2011 | 2664 |
| 2012 | 2772 |
| 2013 | 2988 |
| 2014 | 2860 |
| 2015 | 2765 |
| 2016 | 2631 |
| 2017 | 2425 |
| 2018 | 2389 |
| 2019 | 2500 |
| 2020 | 2788 |
| 2021 | 2799 |
| 2022 | 2746 |
| 2023 | 1826 |
| 2024 | 607 |