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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1945 | 4 |
| 1946 | 8 |
| 1947 | 7 |
| 1948 | 7 |
| 1949 | 4 |
| 1950 | 12 |
| 1951 | 10 |
| 1952 | 15 |
| 1953 | 19 |
| 1954 | 19 |
| 1955 | 30 |
| 1956 | 29 |
| 1957 | 33 |
| 1958 | 33 |
| 1959 | 21 |
| 1960 | 21 |
| 1961 | 18 |
| 1962 | 27 |
| 1963 | 56 |
| 1964 | 86 |
| 1965 | 88 |
| 1966 | 81 |
| 1967 | 101 |
| 1968 | 166 |
| 1969 | 178 |
| 1970 | 220 |
| 1971 | 277 |
| 1972 | 299 |
| 1973 | 303 |
| 1974 | 294 |
| 1975 | 222 |
| 1976 | 213 |
| 1977 | 140 |
| 1978 | 146 |
| 1979 | 181 |
| 1980 | 154 |
| 1981 | 146 |
| 1982 | 120 |
| 1983 | 126 |
| 1984 | 100 |
| 1985 | 116 |
| 1986 | 118 |
| 1987 | 68 |
| 1988 | 70 |
| 1989 | 52 |
| 1990 | 53 |
| 1991 | 32 |
| 1992 | 60 |
| 1993 | 49 |
| 1994 | 46 |
| 1995 | 52 |
| 1996 | 58 |
| 1997 | 73 |
| 1998 | 84 |
| 1999 | 101 |
| 2000 | 138 |
| 2001 | 162 |
| 2002 | 136 |
| 2003 | 157 |
| 2004 | 147 |
| 2005 | 180 |
| 2006 | 194 |
| 2007 | 182 |
| 2008 | 156 |
| 2009 | 165 |
| 2010 | 152 |
| 2011 | 172 |
| 2012 | 142 |
| 2013 | 144 |
| 2014 | 141 |
| 2015 | 120 |
| 2016 | 96 |
| 2017 | 94 |
| 2018 | 76 |
| 2019 | 104 |
| 2020 | 65 |
| 2021 | 56 |
| 2022 | 66 |
| 2023 | 28 |
| 2024 | 15 |