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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1948 | 5 |
| 1952 | 5 |
| 1953 | 1 |
| 1954 | 1 |
| 1955 | 4 |
| 1956 | 2 |
| 1957 | 2 |
| 1958 | 1 |
| 1959 | 3 |
| 1960 | 1 |
| 1961 | 5 |
| 1962 | 2 |
| 1963 | 3 |
| 1964 | 4 |
| 1965 | 4 |
| 1966 | 2 |
| 1967 | 3 |
| 1968 | 3 |
| 1969 | 3 |
| 1970 | 10 |
| 1971 | 7 |
| 1972 | 4 |
| 1973 | 4 |
| 1974 | 3 |
| 1975 | 7 |
| 1976 | 14 |
| 1977 | 11 |
| 1978 | 6 |
| 1979 | 12 |
| 1980 | 12 |
| 1981 | 21 |
| 1982 | 22 |
| 1983 | 19 |
| 1984 | 26 |
| 1985 | 30 |
| 1986 | 46 |
| 1987 | 61 |
| 1988 | 44 |
| 1989 | 55 |
| 1990 | 47 |
| 1991 | 74 |
| 1992 | 74 |
| 1993 | 76 |
| 1994 | 78 |
| 1995 | 104 |
| 1996 | 132 |
| 1997 | 154 |
| 1998 | 173 |
| 1999 | 182 |
| 2000 | 227 |
| 2001 | 268 |
| 2002 | 327 |
| 2003 | 349 |
| 2004 | 469 |
| 2005 | 626 |
| 2006 | 761 |
| 2007 | 812 |
| 2008 | 970 |
| 2009 | 1155 |
| 2010 | 1319 |
| 2011 | 1572 |
| 2012 | 1795 |
| 2013 | 2158 |
| 2014 | 2417 |
| 2015 | 2863 |
| 2016 | 2880 |
| 2017 | 3235 |
| 2018 | 3824 |
| 2019 | 4327 |
| 2020 | 5148 |
| 2021 | 5707 |
| 2022 | 6854 |
| 2023 | 6757 |
| 2024 | 2636 |