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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 3 |
| 1949 | 1 |
| 1951 | 11 |
| 1952 | 45 |
| 1953 | 74 |
| 1954 | 67 |
| 1955 | 59 |
| 1956 | 56 |
| 1957 | 52 |
| 1958 | 50 |
| 1959 | 62 |
| 1960 | 67 |
| 1961 | 65 |
| 1962 | 51 |
| 1963 | 3 |
| 1964 | 31 |
| 1965 | 86 |
| 1966 | 176 |
| 1967 | 142 |
| 1968 | 168 |
| 1969 | 157 |
| 1970 | 179 |
| 1971 | 137 |
| 1972 | 167 |
| 1973 | 125 |
| 1974 | 139 |
| 1975 | 126 |
| 1976 | 132 |
| 1977 | 150 |
| 1978 | 169 |
| 1979 | 133 |
| 1980 | 136 |
| 1981 | 149 |
| 1982 | 169 |
| 1983 | 147 |
| 1984 | 159 |
| 1985 | 147 |
| 1986 | 125 |
| 1987 | 143 |
| 1988 | 152 |
| 1989 | 147 |
| 1990 | 165 |
| 1991 | 136 |
| 1992 | 154 |
| 1993 | 146 |
| 1994 | 137 |
| 1995 | 177 |
| 1996 | 161 |
| 1997 | 145 |
| 1998 | 164 |
| 1999 | 188 |
| 2000 | 206 |
| 2001 | 205 |
| 2002 | 214 |
| 2003 | 291 |
| 2004 | 268 |
| 2005 | 272 |
| 2006 | 303 |
| 2007 | 305 |
| 2008 | 294 |
| 2009 | 306 |
| 2010 | 355 |
| 2011 | 383 |
| 2012 | 379 |
| 2013 | 470 |
| 2014 | 469 |
| 2015 | 535 |
| 2016 | 508 |
| 2017 | 486 |
| 2018 | 503 |
| 2019 | 549 |
| 2020 | 462 |
| 2021 | 400 |
| 2022 | 143 |
| 2023 | 129 |
| 2024 | 113 |