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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1948 | 2 |
| 1951 | 3 |
| 1952 | 9 |
| 1953 | 4 |
| 1954 | 4 |
| 1955 | 1 |
| 1956 | 4 |
| 1957 | 1 |
| 1959 | 3 |
| 1960 | 2 |
| 1961 | 2 |
| 1962 | 1 |
| 1964 | 1 |
| 1965 | 4 |
| 1966 | 15 |
| 1967 | 18 |
| 1968 | 32 |
| 1969 | 34 |
| 1970 | 29 |
| 1971 | 29 |
| 1972 | 31 |
| 1973 | 55 |
| 1974 | 43 |
| 1975 | 39 |
| 1976 | 53 |
| 1977 | 51 |
| 1978 | 44 |
| 1979 | 60 |
| 1980 | 43 |
| 1981 | 65 |
| 1982 | 76 |
| 1983 | 83 |
| 1984 | 87 |
| 1985 | 96 |
| 1986 | 76 |
| 1987 | 69 |
| 1988 | 84 |
| 1989 | 87 |
| 1990 | 78 |
| 1991 | 80 |
| 1992 | 87 |
| 1993 | 108 |
| 1994 | 86 |
| 1995 | 89 |
| 1996 | 84 |
| 1997 | 103 |
| 1998 | 97 |
| 1999 | 90 |
| 2000 | 85 |
| 2001 | 88 |
| 2002 | 87 |
| 2003 | 123 |
| 2004 | 111 |
| 2005 | 118 |
| 2006 | 106 |
| 2007 | 110 |
| 2008 | 137 |
| 2009 | 134 |
| 2010 | 137 |
| 2011 | 145 |
| 2012 | 153 |
| 2013 | 133 |
| 2014 | 145 |
| 2015 | 144 |
| 2016 | 149 |
| 2017 | 176 |
| 2018 | 198 |
| 2019 | 236 |
| 2020 | 241 |
| 2021 | 208 |
| 2022 | 243 |
| 2023 | 227 |
| 2024 | 65 |