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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 3 |
| 1948 | 4 |
| 1953 | 8 |
| 1954 | 23 |
| 1955 | 51 |
| 1956 | 62 |
| 1957 | 51 |
| 1958 | 43 |
| 1959 | 15 |
| 1960 | 15 |
| 1961 | 15 |
| 1962 | 14 |
| 1963 | 1 |
| 1964 | 6 |
| 1965 | 76 |
| 1966 | 192 |
| 1967 | 305 |
| 1968 | 292 |
| 1969 | 271 |
| 1970 | 298 |
| 1971 | 244 |
| 1972 | 295 |
| 1973 | 294 |
| 1974 | 367 |
| 1975 | 414 |
| 1976 | 595 |
| 1977 | 737 |
| 1978 | 920 |
| 1979 | 1425 |
| 1980 | 1634 |
| 1981 | 2092 |
| 1982 | 2697 |
| 1983 | 2996 |
| 1984 | 3165 |
| 1985 | 3344 |
| 1986 | 3528 |
| 1987 | 3970 |
| 1988 | 3950 |
| 1989 | 4142 |
| 1990 | 4615 |
| 1991 | 5040 |
| 1992 | 5370 |
| 1993 | 5498 |
| 1994 | 5498 |
| 1995 | 5454 |
| 1996 | 4883 |
| 1997 | 4785 |
| 1998 | 4951 |
| 1999 | 4944 |
| 2000 | 4818 |
| 2001 | 4776 |
| 2002 | 4702 |
| 2003 | 4830 |
| 2004 | 5346 |
| 2005 | 5755 |
| 2006 | 5813 |
| 2007 | 6288 |
| 2008 | 6381 |
| 2009 | 6777 |
| 2010 | 6952 |
| 2011 | 7450 |
| 2012 | 7800 |
| 2013 | 7979 |
| 2014 | 8179 |
| 2015 | 8163 |
| 2016 | 7516 |
| 2017 | 7252 |
| 2018 | 7304 |
| 2019 | 7146 |
| 2020 | 6803 |
| 2021 | 6068 |
| 2022 | 1508 |
| 2023 | 697 |
| 2024 | 1805 |