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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 2 |
| 1948 | 1 |
| 1949 | 1 |
| 1951 | 3 |
| 1952 | 2 |
| 1953 | 3 |
| 1954 | 6 |
| 1955 | 6 |
| 1956 | 4 |
| 1957 | 19 |
| 1958 | 26 |
| 1959 | 24 |
| 1960 | 37 |
| 1961 | 59 |
| 1962 | 90 |
| 1963 | 183 |
| 1964 | 234 |
| 1965 | 234 |
| 1966 | 264 |
| 1967 | 318 |
| 1968 | 418 |
| 1969 | 380 |
| 1970 | 469 |
| 1971 | 493 |
| 1972 | 490 |
| 1973 | 570 |
| 1974 | 722 |
| 1975 | 844 |
| 1976 | 957 |
| 1977 | 1119 |
| 1978 | 1142 |
| 1979 | 1305 |
| 1980 | 1628 |
| 1981 | 1924 |
| 1982 | 2317 |
| 1983 | 2476 |
| 1984 | 2983 |
| 1985 | 3750 |
| 1986 | 4339 |
| 1987 | 5099 |
| 1988 | 6037 |
| 1989 | 7420 |
| 1990 | 8546 |
| 1991 | 9942 |
| 1992 | 11008 |
| 1993 | 12072 |
| 1994 | 13572 |
| 1995 | 14823 |
| 1996 | 15554 |
| 1997 | 16195 |
| 1998 | 17204 |
| 1999 | 18626 |
| 2000 | 20259 |
| 2001 | 21270 |
| 2002 | 22021 |
| 2003 | 22527 |
| 2004 | 23219 |
| 2005 | 25195 |
| 2006 | 26482 |
| 2007 | 27735 |
| 2008 | 28983 |
| 2009 | 29614 |
| 2010 | 31043 |
| 2011 | 33077 |
| 2012 | 34379 |
| 2013 | 34885 |
| 2014 | 35237 |
| 2015 | 35334 |
| 2016 | 33570 |
| 2017 | 32592 |
| 2018 | 31892 |
| 2019 | 31247 |
| 2020 | 31600 |
| 2021 | 28958 |
| 2022 | 28125 |
| 2023 | 24172 |
| 2024 | 19738 |
| 2025 | 22 |