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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 3 |
| 1950 | 5 |
| 1951 | 10 |
| 1952 | 8 |
| 1953 | 11 |
| 1954 | 10 |
| 1955 | 8 |
| 1956 | 9 |
| 1957 | 12 |
| 1958 | 6 |
| 1959 | 8 |
| 1960 | 12 |
| 1961 | 25 |
| 1962 | 23 |
| 1963 | 24 |
| 1964 | 30 |
| 1965 | 36 |
| 1966 | 17 |
| 1967 | 13 |
| 1968 | 17 |
| 1969 | 21 |
| 1970 | 30 |
| 1971 | 35 |
| 1972 | 32 |
| 1973 | 31 |
| 1974 | 38 |
| 1975 | 55 |
| 1976 | 32 |
| 1977 | 44 |
| 1978 | 43 |
| 1979 | 40 |
| 1980 | 63 |
| 1981 | 76 |
| 1982 | 99 |
| 1983 | 125 |
| 1984 | 152 |
| 1985 | 137 |
| 1986 | 170 |
| 1987 | 168 |
| 1988 | 188 |
| 1989 | 168 |
| 1990 | 182 |
| 1991 | 184 |
| 1992 | 188 |
| 1993 | 200 |
| 1994 | 190 |
| 1995 | 142 |
| 1996 | 137 |
| 1997 | 129 |
| 1998 | 151 |
| 1999 | 151 |
| 2000 | 49 |
| 2001 | 88 |
| 2002 | 56 |
| 2003 | 84 |
| 2004 | 96 |
| 2005 | 95 |
| 2006 | 131 |
| 2007 | 128 |
| 2008 | 169 |
| 2009 | 201 |
| 2010 | 243 |
| 2011 | 294 |
| 2012 | 304 |
| 2013 | 300 |
| 2014 | 366 |
| 2015 | 446 |
| 2016 | 448 |
| 2017 | 501 |
| 2018 | 582 |
| 2019 | 677 |
| 2020 | 777 |
| 2021 | 823 |
| 2022 | 874 |
| 2023 | 679 |
| 2024 | 655 |
| 2025 | 436 |