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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1948 | 1 |
| 1949 | 1 |
| 1950 | 2 |
| 1951 | 2 |
| 1952 | 4 |
| 1953 | 1 |
| 1954 | 4 |
| 1955 | 1 |
| 1956 | 2 |
| 1957 | 2 |
| 1958 | 2 |
| 1959 | 3 |
| 1960 | 9 |
| 1961 | 2 |
| 1962 | 4 |
| 1963 | 10 |
| 1964 | 15 |
| 1965 | 10 |
| 1966 | 10 |
| 1967 | 21 |
| 1968 | 17 |
| 1969 | 29 |
| 1970 | 35 |
| 1971 | 32 |
| 1972 | 40 |
| 1973 | 56 |
| 1974 | 51 |
| 1975 | 37 |
| 1976 | 68 |
| 1977 | 62 |
| 1978 | 70 |
| 1979 | 109 |
| 1980 | 82 |
| 1981 | 77 |
| 1982 | 101 |
| 1983 | 93 |
| 1984 | 104 |
| 1985 | 113 |
| 1986 | 140 |
| 1987 | 183 |
| 1988 | 193 |
| 1989 | 207 |
| 1990 | 209 |
| 1991 | 213 |
| 1992 | 271 |
| 1993 | 238 |
| 1994 | 289 |
| 1995 | 308 |
| 1996 | 365 |
| 1997 | 402 |
| 1998 | 412 |
| 1999 | 434 |
| 2000 | 459 |
| 2001 | 515 |
| 2002 | 500 |
| 2003 | 585 |
| 2004 | 728 |
| 2005 | 758 |
| 2006 | 851 |
| 2007 | 954 |
| 2008 | 973 |
| 2009 | 1086 |
| 2010 | 1224 |
| 2011 | 1342 |
| 2012 | 1363 |
| 2013 | 1428 |
| 2014 | 1610 |
| 2015 | 1741 |
| 2016 | 1777 |
| 2017 | 1806 |
| 2018 | 1918 |
| 2019 | 1969 |
| 2020 | 2422 |
| 2021 | 2694 |
| 2022 | 2657 |
| 2023 | 2379 |
| 2024 | 2366 |
| 2025 | 689 |