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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1945 | 1 |
| 1953 | 5 |
| 1954 | 10 |
| 1955 | 5 |
| 1956 | 3 |
| 1957 | 6 |
| 1958 | 2 |
| 1963 | 1 |
| 1964 | 1 |
| 1965 | 23 |
| 1966 | 33 |
| 1967 | 46 |
| 1968 | 40 |
| 1969 | 42 |
| 1970 | 52 |
| 1971 | 55 |
| 1972 | 59 |
| 1973 | 75 |
| 1974 | 80 |
| 1975 | 71 |
| 1976 | 75 |
| 1977 | 89 |
| 1978 | 74 |
| 1979 | 84 |
| 1980 | 67 |
| 1981 | 74 |
| 1982 | 86 |
| 1983 | 110 |
| 1984 | 94 |
| 1985 | 104 |
| 1986 | 77 |
| 1987 | 91 |
| 1988 | 109 |
| 1989 | 104 |
| 1990 | 136 |
| 1991 | 128 |
| 1992 | 153 |
| 1993 | 130 |
| 1994 | 138 |
| 1995 | 131 |
| 1996 | 151 |
| 1997 | 118 |
| 1998 | 145 |
| 1999 | 123 |
| 2000 | 116 |
| 2001 | 109 |
| 2002 | 140 |
| 2003 | 138 |
| 2004 | 138 |
| 2005 | 159 |
| 2006 | 195 |
| 2007 | 180 |
| 2008 | 225 |
| 2009 | 260 |
| 2010 | 214 |
| 2011 | 258 |
| 2012 | 233 |
| 2013 | 307 |
| 2014 | 287 |
| 2015 | 289 |
| 2016 | 247 |
| 2017 | 233 |
| 2018 | 232 |
| 2019 | 238 |
| 2020 | 250 |
| 2021 | 123 |
| 2022 | 17 |
| 2023 | 11 |
| 2024 | 17 |