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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 5 |
| 1948 | 5 |
| 1949 | 3 |
| 1950 | 3 |
| 1951 | 3 |
| 1952 | 5 |
| 1953 | 8 |
| 1954 | 7 |
| 1955 | 5 |
| 1956 | 4 |
| 1957 | 6 |
| 1958 | 11 |
| 1959 | 11 |
| 1960 | 11 |
| 1961 | 13 |
| 1962 | 13 |
| 1963 | 18 |
| 1964 | 111 |
| 1965 | 173 |
| 1966 | 133 |
| 1967 | 271 |
| 1968 | 571 |
| 1969 | 1139 |
| 1970 | 1434 |
| 1971 | 1710 |
| 1972 | 1746 |
| 1973 | 1879 |
| 1974 | 2203 |
| 1975 | 1931 |
| 1976 | 1757 |
| 1977 | 1886 |
| 1978 | 1862 |
| 1979 | 2170 |
| 1980 | 2150 |
| 1981 | 2129 |
| 1982 | 2244 |
| 1983 | 2406 |
| 1984 | 2453 |
| 1985 | 2481 |
| 1986 | 2534 |
| 1987 | 2571 |
| 1988 | 2556 |
| 1989 | 2713 |
| 1990 | 2841 |
| 1991 | 3007 |
| 1992 | 3123 |
| 1993 | 3266 |
| 1994 | 3110 |
| 1995 | 2963 |
| 1996 | 2879 |
| 1997 | 2841 |
| 1998 | 2955 |
| 1999 | 2974 |
| 2000 | 3025 |
| 2001 | 3024 |
| 2002 | 2972 |
| 2003 | 3203 |
| 2004 | 3219 |
| 2005 | 3723 |
| 2006 | 3713 |
| 2007 | 3845 |
| 2008 | 3946 |
| 2009 | 4133 |
| 2010 | 4195 |
| 2011 | 4358 |
| 2012 | 4781 |
| 2013 | 4631 |
| 2014 | 4644 |
| 2015 | 4373 |
| 2016 | 4041 |
| 2017 | 3876 |
| 2018 | 3750 |
| 2019 | 3676 |
| 2020 | 4198 |
| 2021 | 4599 |
| 2022 | 4907 |
| 2023 | 3709 |
| 2024 | 3529 |
| 2025 | 3019 |
| 2026 | 31 |