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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 1 |
| 1948 | 2 |
| 1949 | 1 |
| 1951 | 3 |
| 1952 | 2 |
| 1953 | 3 |
| 1954 | 2 |
| 1955 | 5 |
| 1956 | 9 |
| 1957 | 10 |
| 1958 | 6 |
| 1959 | 1 |
| 1960 | 3 |
| 1961 | 6 |
| 1962 | 6 |
| 1965 | 6 |
| 1966 | 17 |
| 1967 | 21 |
| 1968 | 19 |
| 1969 | 34 |
| 1970 | 20 |
| 1971 | 36 |
| 1972 | 38 |
| 1973 | 30 |
| 1974 | 36 |
| 1975 | 28 |
| 1976 | 28 |
| 1977 | 30 |
| 1978 | 32 |
| 1979 | 37 |
| 1980 | 36 |
| 1981 | 40 |
| 1982 | 38 |
| 1983 | 28 |
| 1984 | 35 |
| 1985 | 23 |
| 1986 | 32 |
| 1987 | 30 |
| 1988 | 32 |
| 1989 | 35 |
| 1990 | 58 |
| 1991 | 80 |
| 1992 | 72 |
| 1993 | 81 |
| 1994 | 103 |
| 1995 | 131 |
| 1996 | 274 |
| 1997 | 386 |
| 1998 | 308 |
| 1999 | 310 |
| 2000 | 261 |
| 2001 | 252 |
| 2002 | 208 |
| 2003 | 238 |
| 2004 | 222 |
| 2005 | 234 |
| 2006 | 184 |
| 2007 | 198 |
| 2008 | 193 |
| 2009 | 153 |
| 2010 | 157 |
| 2011 | 166 |
| 2012 | 144 |
| 2013 | 149 |
| 2014 | 137 |
| 2015 | 140 |
| 2016 | 159 |
| 2017 | 153 |
| 2018 | 150 |
| 2019 | 130 |
| 2020 | 122 |
| 2021 | 86 |
| 2022 | 30 |
| 2023 | 19 |
| 2024 | 39 |