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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1958 | 3 |
| 1959 | 2 |
| 1960 | 1 |
| 1962 | 7 |
| 1963 | 16 |
| 1964 | 27 |
| 1965 | 18 |
| 1966 | 31 |
| 1967 | 33 |
| 1968 | 22 |
| 1969 | 20 |
| 1970 | 34 |
| 1971 | 27 |
| 1972 | 48 |
| 1973 | 172 |
| 1974 | 279 |
| 1975 | 310 |
| 1976 | 377 |
| 1977 | 502 |
| 1978 | 536 |
| 1979 | 651 |
| 1980 | 840 |
| 1981 | 982 |
| 1982 | 1090 |
| 1983 | 1191 |
| 1984 | 1444 |
| 1985 | 1722 |
| 1986 | 1985 |
| 1987 | 2254 |
| 1988 | 2741 |
| 1989 | 3208 |
| 1990 | 3805 |
| 1991 | 4490 |
| 1992 | 5092 |
| 1993 | 5921 |
| 1994 | 6932 |
| 1995 | 7754 |
| 1996 | 8347 |
| 1997 | 8988 |
| 1998 | 10080 |
| 1999 | 10975 |
| 2000 | 12049 |
| 2001 | 13350 |
| 2002 | 14265 |
| 2003 | 15869 |
| 2004 | 17347 |
| 2005 | 18980 |
| 2006 | 20911 |
| 2007 | 22127 |
| 2008 | 23221 |
| 2009 | 24863 |
| 2010 | 26584 |
| 2011 | 28131 |
| 2012 | 29912 |
| 2013 | 30977 |
| 2014 | 31126 |
| 2015 | 31590 |
| 2016 | 30332 |
| 2017 | 29591 |
| 2018 | 29445 |
| 2019 | 29758 |
| 2020 | 29216 |
| 2021 | 26737 |
| 2022 | 24644 |
| 2023 | 20639 |
| 2024 | 6928 |