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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1949 | 50 |
| 1950 | 77 |
| 1951 | 133 |
| 1952 | 213 |
| 1953 | 185 |
| 1954 | 194 |
| 1955 | 225 |
| 1956 | 266 |
| 1957 | 237 |
| 1958 | 217 |
| 1959 | 218 |
| 1960 | 344 |
| 1961 | 205 |
| 1962 | 177 |
| 1963 | 220 |
| 1964 | 253 |
| 1965 | 342 |
| 1966 | 374 |
| 1967 | 431 |
| 1968 | 342 |
| 1969 | 294 |
| 1970 | 375 |
| 1971 | 293 |
| 1972 | 200 |
| 1973 | 206 |
| 1974 | 220 |
| 1975 | 300 |
| 1976 | 367 |
| 1977 | 345 |
| 1978 | 260 |
| 1979 | 238 |
| 1980 | 205 |
| 1981 | 164 |
| 1982 | 169 |
| 1983 | 195 |
| 1984 | 189 |
| 1985 | 154 |
| 1986 | 186 |
| 1987 | 179 |
| 1988 | 123 |
| 1989 | 113 |
| 1990 | 94 |
| 1991 | 127 |
| 1992 | 123 |
| 1993 | 90 |
| 1994 | 99 |
| 1995 | 78 |
| 1996 | 89 |
| 1997 | 68 |
| 1998 | 71 |
| 1999 | 46 |
| 2000 | 91 |
| 2001 | 103 |
| 2002 | 78 |
| 2003 | 86 |
| 2004 | 67 |
| 2005 | 56 |
| 2006 | 73 |
| 2007 | 135 |
| 2008 | 78 |
| 2009 | 149 |
| 2010 | 137 |
| 2011 | 64 |
| 2012 | 70 |
| 2013 | 70 |
| 2014 | 122 |
| 2015 | 145 |
| 2016 | 147 |
| 2017 | 123 |
| 2018 | 126 |
| 2019 | 89 |
| 2020 | 67 |
| 2021 | 4 |
| 2024 | 0 |