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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1953 | 8 |
| 1954 | 2 |
| 1955 | 4 |
| 1956 | 4 |
| 1957 | 2 |
| 1958 | 8 |
| 1959 | 2 |
| 1965 | 11 |
| 1966 | 32 |
| 1967 | 42 |
| 1968 | 47 |
| 1969 | 42 |
| 1970 | 50 |
| 1971 | 48 |
| 1972 | 48 |
| 1973 | 58 |
| 1974 | 73 |
| 1975 | 57 |
| 1976 | 47 |
| 1977 | 45 |
| 1978 | 51 |
| 1979 | 58 |
| 1980 | 64 |
| 1981 | 46 |
| 1982 | 53 |
| 1983 | 48 |
| 1984 | 45 |
| 1985 | 42 |
| 1986 | 47 |
| 1987 | 49 |
| 1988 | 43 |
| 1989 | 42 |
| 1990 | 51 |
| 1991 | 36 |
| 1992 | 43 |
| 1993 | 51 |
| 1994 | 43 |
| 1995 | 50 |
| 1996 | 31 |
| 1997 | 47 |
| 1998 | 40 |
| 1999 | 39 |
| 2000 | 34 |
| 2001 | 45 |
| 2002 | 60 |
| 2003 | 72 |
| 2004 | 46 |
| 2005 | 74 |
| 2006 | 75 |
| 2007 | 78 |
| 2008 | 79 |
| 2009 | 127 |
| 2010 | 89 |
| 2011 | 95 |
| 2012 | 97 |
| 2013 | 77 |
| 2014 | 109 |
| 2015 | 150 |
| 2016 | 165 |
| 2017 | 140 |
| 2018 | 147 |
| 2019 | 116 |
| 2020 | 126 |
| 2021 | 79 |
| 2022 | 14 |
| 2023 | 5 |
| 2024 | 143 |
| 2025 | 122 |