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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1956 | 3 |
| 1957 | 32 |
| 1958 | 51 |
| 1959 | 68 |
| 1960 | 71 |
| 1961 | 95 |
| 1962 | 113 |
| 1963 | 194 |
| 1964 | 311 |
| 1965 | 224 |
| 1966 | 225 |
| 1967 | 152 |
| 1968 | 214 |
| 1969 | 210 |
| 1970 | 206 |
| 1971 | 204 |
| 1972 | 221 |
| 1973 | 194 |
| 1974 | 219 |
| 1975 | 224 |
| 1976 | 207 |
| 1977 | 197 |
| 1978 | 203 |
| 1979 | 215 |
| 1980 | 204 |
| 1981 | 181 |
| 1982 | 155 |
| 1983 | 159 |
| 1984 | 183 |
| 1985 | 206 |
| 1986 | 215 |
| 1987 | 254 |
| 1988 | 213 |
| 1989 | 249 |
| 1990 | 243 |
| 1991 | 265 |
| 1992 | 204 |
| 1993 | 216 |
| 1994 | 169 |
| 1995 | 159 |
| 1996 | 149 |
| 1997 | 147 |
| 1998 | 141 |
| 1999 | 104 |
| 2000 | 114 |
| 2001 | 68 |
| 2002 | 59 |
| 2003 | 67 |
| 2004 | 60 |
| 2005 | 63 |
| 2006 | 41 |
| 2007 | 30 |
| 2008 | 42 |
| 2009 | 29 |
| 2010 | 26 |
| 2011 | 25 |
| 2012 | 11 |
| 2013 | 12 |
| 2014 | 13 |
| 2015 | 12 |
| 2016 | 6 |
| 2017 | 11 |
| 2018 | 12 |
| 2019 | 4 |
| 2020 | 8 |
| 2021 | 6 |
| 2022 | 5 |
| 2023 | 5 |
| 2024 | 0 |