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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1955 | 5 |
| 1956 | 1 |
| 1957 | 2 |
| 1959 | 2 |
| 1961 | 1 |
| 1962 | 1 |
| 1964 | 3 |
| 1965 | 3 |
| 1968 | 1 |
| 1971 | 1 |
| 1972 | 18 |
| 1973 | 73 |
| 1974 | 76 |
| 1975 | 51 |
| 1976 | 52 |
| 1977 | 45 |
| 1978 | 40 |
| 1979 | 41 |
| 1980 | 30 |
| 1981 | 38 |
| 1982 | 37 |
| 1983 | 35 |
| 1984 | 32 |
| 1985 | 49 |
| 1986 | 39 |
| 1987 | 48 |
| 1988 | 44 |
| 1989 | 54 |
| 1990 | 79 |
| 1991 | 93 |
| 1992 | 122 |
| 1993 | 151 |
| 1994 | 145 |
| 1995 | 199 |
| 1996 | 196 |
| 1997 | 155 |
| 1998 | 150 |
| 1999 | 166 |
| 2000 | 168 |
| 2001 | 172 |
| 2002 | 156 |
| 2003 | 121 |
| 2004 | 82 |
| 2005 | 86 |
| 2006 | 73 |
| 2007 | 89 |
| 2008 | 85 |
| 2009 | 98 |
| 2010 | 97 |
| 2011 | 92 |
| 2012 | 98 |
| 2013 | 106 |
| 2014 | 97 |
| 2015 | 75 |
| 2016 | 87 |
| 2017 | 79 |
| 2018 | 100 |
| 2019 | 114 |
| 2020 | 121 |
| 2021 | 112 |
| 2022 | 158 |
| 2023 | 132 |
| 2024 | 57 |