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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 2 |
| 1948 | 3 |
| 1949 | 2 |
| 1952 | 1 |
| 1953 | 1 |
| 1954 | 2 |
| 1955 | 9 |
| 1957 | 5 |
| 1958 | 7 |
| 1959 | 3 |
| 1960 | 8 |
| 1961 | 8 |
| 1962 | 8 |
| 1965 | 11 |
| 1966 | 26 |
| 1967 | 25 |
| 1968 | 51 |
| 1969 | 29 |
| 1970 | 31 |
| 1971 | 23 |
| 1972 | 25 |
| 1973 | 30 |
| 1974 | 26 |
| 1975 | 26 |
| 1976 | 25 |
| 1977 | 26 |
| 1978 | 30 |
| 1979 | 41 |
| 1980 | 43 |
| 1981 | 49 |
| 1982 | 52 |
| 1983 | 49 |
| 1984 | 58 |
| 1985 | 65 |
| 1986 | 91 |
| 1987 | 108 |
| 1988 | 94 |
| 1989 | 94 |
| 1990 | 97 |
| 1991 | 88 |
| 1992 | 62 |
| 1993 | 81 |
| 1994 | 83 |
| 1995 | 104 |
| 1996 | 120 |
| 1997 | 121 |
| 1998 | 119 |
| 1999 | 133 |
| 2000 | 132 |
| 2001 | 124 |
| 2002 | 143 |
| 2003 | 147 |
| 2004 | 136 |
| 2005 | 172 |
| 2006 | 170 |
| 2007 | 159 |
| 2008 | 200 |
| 2009 | 225 |
| 2010 | 237 |
| 2011 | 279 |
| 2012 | 282 |
| 2013 | 322 |
| 2014 | 388 |
| 2015 | 297 |
| 2016 | 208 |
| 2017 | 187 |
| 2018 | 208 |
| 2019 | 193 |
| 2020 | 148 |
| 2021 | 117 |
| 2022 | 131 |
| 2023 | 95 |
| 2024 | 35 |