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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1939 | 1 |
| 1947 | 1 |
| 1950 | 2 |
| 1952 | 1 |
| 1953 | 1 |
| 1954 | 1 |
| 1955 | 1 |
| 1956 | 2 |
| 1957 | 1 |
| 1958 | 1 |
| 1959 | 3 |
| 1960 | 2 |
| 1961 | 3 |
| 1962 | 2 |
| 1963 | 15 |
| 1964 | 22 |
| 1965 | 43 |
| 1966 | 38 |
| 1967 | 73 |
| 1968 | 152 |
| 1969 | 175 |
| 1970 | 262 |
| 1971 | 475 |
| 1972 | 747 |
| 1973 | 1039 |
| 1974 | 1427 |
| 1975 | 1478 |
| 1976 | 1693 |
| 1977 | 1782 |
| 1978 | 2000 |
| 1979 | 2131 |
| 1980 | 2463 |
| 1981 | 2415 |
| 1982 | 2433 |
| 1983 | 2613 |
| 1984 | 2651 |
| 1985 | 2853 |
| 1986 | 2906 |
| 1987 | 2815 |
| 1988 | 2742 |
| 1989 | 3033 |
| 1990 | 2751 |
| 1991 | 2871 |
| 1992 | 2689 |
| 1993 | 2393 |
| 1994 | 2249 |
| 1995 | 2252 |
| 1996 | 2141 |
| 1997 | 2157 |
| 1998 | 2063 |
| 1999 | 2089 |
| 2000 | 2104 |
| 2001 | 2221 |
| 2002 | 2131 |
| 2003 | 2211 |
| 2004 | 2269 |
| 2005 | 2401 |
| 2006 | 2430 |
| 2007 | 2266 |
| 2008 | 2244 |
| 2009 | 2196 |
| 2010 | 2115 |
| 2011 | 2123 |
| 2012 | 2128 |
| 2013 | 2062 |
| 2014 | 1914 |
| 2015 | 1816 |
| 2016 | 1647 |
| 2017 | 1543 |
| 2018 | 1458 |
| 2019 | 1327 |
| 2020 | 1317 |
| 2021 | 1154 |
| 2022 | 1233 |
| 2023 | 925 |
| 2024 | 864 |
| 2025 | 421 |