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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1955 | 1 |
| 1956 | 1 |
| 1957 | 5 |
| 1958 | 4 |
| 1959 | 1 |
| 1960 | 2 |
| 1962 | 4 |
| 1963 | 1 |
| 1964 | 4 |
| 1965 | 3 |
| 1966 | 2 |
| 1967 | 1 |
| 1968 | 2 |
| 1969 | 3 |
| 1970 | 3 |
| 1971 | 4 |
| 1972 | 7 |
| 1973 | 8 |
| 1974 | 4 |
| 1975 | 9 |
| 1976 | 6 |
| 1977 | 2 |
| 1978 | 11 |
| 1979 | 12 |
| 1980 | 14 |
| 1981 | 12 |
| 1982 | 28 |
| 1983 | 19 |
| 1984 | 19 |
| 1985 | 26 |
| 1986 | 36 |
| 1987 | 32 |
| 1988 | 46 |
| 1989 | 47 |
| 1990 | 53 |
| 1991 | 36 |
| 1992 | 87 |
| 1993 | 70 |
| 1994 | 88 |
| 1995 | 83 |
| 1996 | 89 |
| 1997 | 88 |
| 1998 | 98 |
| 1999 | 99 |
| 2000 | 119 |
| 2001 | 104 |
| 2002 | 152 |
| 2003 | 185 |
| 2004 | 196 |
| 2005 | 276 |
| 2006 | 315 |
| 2007 | 327 |
| 2008 | 349 |
| 2009 | 380 |
| 2010 | 450 |
| 2011 | 576 |
| 2012 | 564 |
| 2013 | 630 |
| 2014 | 752 |
| 2015 | 819 |
| 2016 | 866 |
| 2017 | 988 |
| 2018 | 1051 |
| 2019 | 1203 |
| 2020 | 1526 |
| 2021 | 1707 |
| 2022 | 1937 |
| 2023 | 1893 |
| 2024 | 850 |