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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1948 | 3 |
| 1950 | 3 |
| 1951 | 3 |
| 1952 | 10 |
| 1953 | 5 |
| 1954 | 10 |
| 1955 | 1 |
| 1956 | 7 |
| 1957 | 2 |
| 1958 | 3 |
| 1959 | 8 |
| 1960 | 5 |
| 1961 | 5 |
| 1962 | 4 |
| 1963 | 5 |
| 1964 | 9 |
| 1965 | 54 |
| 1966 | 88 |
| 1967 | 123 |
| 1968 | 141 |
| 1969 | 162 |
| 1970 | 135 |
| 1971 | 142 |
| 1972 | 94 |
| 1973 | 135 |
| 1974 | 135 |
| 1975 | 82 |
| 1976 | 54 |
| 1977 | 32 |
| 1978 | 37 |
| 1979 | 37 |
| 1980 | 50 |
| 1981 | 42 |
| 1982 | 63 |
| 1983 | 53 |
| 1984 | 56 |
| 1985 | 99 |
| 1986 | 101 |
| 1987 | 68 |
| 1988 | 59 |
| 1989 | 56 |
| 1990 | 54 |
| 1991 | 52 |
| 1992 | 65 |
| 1993 | 46 |
| 1994 | 68 |
| 1995 | 119 |
| 1996 | 111 |
| 1997 | 230 |
| 1998 | 396 |
| 1999 | 638 |
| 2000 | 819 |
| 2001 | 1158 |
| 2002 | 1559 |
| 2003 | 2046 |
| 2004 | 2317 |
| 2005 | 2257 |
| 2006 | 2062 |
| 2007 | 2228 |
| 2008 | 1754 |
| 2009 | 2087 |
| 2010 | 2472 |
| 2011 | 2509 |
| 2012 | 2616 |
| 2013 | 2451 |
| 2014 | 2254 |
| 2015 | 2052 |
| 2016 | 2045 |
| 2017 | 1667 |
| 2018 | 1440 |
| 2019 | 1117 |
| 2020 | 1256 |
| 2021 | 1204 |
| 2022 | 633 |
| 2023 | 400 |
| 2024 | 407 |