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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1945 | 1 |
| 1946 | 6 |
| 1947 | 1 |
| 1948 | 19 |
| 1949 | 5 |
| 1950 | 84 |
| 1951 | 88 |
| 1952 | 107 |
| 1953 | 141 |
| 1954 | 151 |
| 1955 | 91 |
| 1956 | 70 |
| 1957 | 72 |
| 1958 | 67 |
| 1959 | 57 |
| 1960 | 71 |
| 1961 | 87 |
| 1962 | 61 |
| 1966 | 1 |
| 1968 | 1 |
| 1969 | 1 |
| 1970 | 2 |
| 1971 | 17 |
| 1972 | 29 |
| 1973 | 685 |
| 1974 | 1490 |
| 1975 | 378 |
| 1976 | 134 |
| 1977 | 120 |
| 1978 | 101 |
| 1979 | 105 |
| 1980 | 129 |
| 1981 | 118 |
| 1982 | 143 |
| 1983 | 201 |
| 1984 | 243 |
| 1985 | 188 |
| 1986 | 220 |
| 1987 | 192 |
| 1988 | 205 |
| 1989 | 216 |
| 1990 | 259 |
| 1991 | 265 |
| 1992 | 270 |
| 1993 | 313 |
| 1994 | 243 |
| 1995 | 238 |
| 1996 | 213 |
| 1997 | 186 |
| 1998 | 132 |
| 1999 | 169 |
| 2000 | 148 |
| 2001 | 185 |
| 2002 | 131 |
| 2003 | 120 |
| 2004 | 88 |
| 2005 | 85 |
| 2006 | 70 |
| 2007 | 50 |
| 2008 | 42 |
| 2009 | 40 |
| 2010 | 35 |
| 2011 | 40 |
| 2012 | 36 |
| 2013 | 47 |
| 2014 | 34 |
| 2015 | 33 |
| 2016 | 28 |
| 2017 | 28 |
| 2018 | 23 |
| 2019 | 14 |
| 2020 | 13 |
| 2021 | 7 |
| 2022 | 2 |
| 2024 | 1 |