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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1952 | 1 |
| 1954 | 1 |
| 1957 | 1 |
| 1962 | 1 |
| 1963 | 2 |
| 1964 | 1 |
| 1965 | 1 |
| 1966 | 5 |
| 1967 | 6 |
| 1968 | 8 |
| 1969 | 1 |
| 1971 | 1 |
| 1972 | 4 |
| 1973 | 1 |
| 1974 | 3 |
| 1975 | 14 |
| 1976 | 10 |
| 1977 | 22 |
| 1978 | 21 |
| 1979 | 25 |
| 1980 | 22 |
| 1981 | 37 |
| 1982 | 36 |
| 1983 | 30 |
| 1984 | 32 |
| 1985 | 47 |
| 1986 | 42 |
| 1987 | 48 |
| 1988 | 45 |
| 1989 | 50 |
| 1990 | 44 |
| 1991 | 59 |
| 1992 | 54 |
| 1993 | 48 |
| 1994 | 68 |
| 1995 | 70 |
| 1996 | 71 |
| 1997 | 83 |
| 1998 | 74 |
| 1999 | 80 |
| 2000 | 131 |
| 2001 | 108 |
| 2002 | 87 |
| 2003 | 98 |
| 2004 | 119 |
| 2005 | 137 |
| 2006 | 116 |
| 2007 | 130 |
| 2008 | 141 |
| 2009 | 124 |
| 2010 | 113 |
| 2011 | 115 |
| 2012 | 133 |
| 2013 | 162 |
| 2014 | 144 |
| 2015 | 146 |
| 2016 | 159 |
| 2017 | 130 |
| 2018 | 151 |
| 2019 | 131 |
| 2020 | 170 |
| 2021 | 199 |
| 2022 | 162 |
| 2023 | 156 |
| 2024 | 47 |