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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 40 |
| 1948 | 31 |
| 1949 | 66 |
| 1950 | 61 |
| 1951 | 88 |
| 1952 | 103 |
| 1953 | 55 |
| 1954 | 72 |
| 1955 | 60 |
| 1956 | 69 |
| 1957 | 63 |
| 1958 | 70 |
| 1959 | 69 |
| 1960 | 57 |
| 1961 | 62 |
| 1962 | 56 |
| 1963 | 58 |
| 1964 | 62 |
| 1965 | 65 |
| 1966 | 61 |
| 1967 | 65 |
| 1968 | 61 |
| 1969 | 66 |
| 1970 | 76 |
| 1971 | 20 |
| 1976 | 68 |
| 1977 | 153 |
| 1978 | 173 |
| 1979 | 190 |
| 1980 | 214 |
| 1981 | 131 |
| 1982 | 122 |
| 1983 | 149 |
| 1984 | 187 |
| 1985 | 138 |
| 1986 | 178 |
| 1987 | 218 |
| 1988 | 261 |
| 1989 | 253 |
| 1990 | 347 |
| 1991 | 338 |
| 1992 | 304 |
| 1993 | 351 |
| 1994 | 356 |
| 1995 | 346 |
| 1996 | 356 |
| 1997 | 314 |
| 1998 | 297 |
| 1999 | 236 |
| 2000 | 220 |
| 2001 | 179 |
| 2002 | 135 |
| 2003 | 170 |
| 2004 | 117 |
| 2005 | 111 |
| 2006 | 103 |
| 2007 | 101 |
| 2008 | 119 |
| 2009 | 130 |
| 2010 | 131 |
| 2011 | 152 |
| 2012 | 174 |
| 2013 | 167 |
| 2014 | 165 |
| 2015 | 185 |
| 2016 | 150 |
| 2017 | 159 |
| 2018 | 170 |
| 2019 | 194 |
| 2020 | 226 |
| 2021 | 201 |
| 2022 | 160 |
| 2023 | 182 |
| 2024 | 86 |