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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1949 | 1 |
| 1950 | 2 |
| 1951 | 10 |
| 1952 | 11 |
| 1953 | 9 |
| 1954 | 11 |
| 1955 | 5 |
| 1956 | 8 |
| 1957 | 7 |
| 1958 | 8 |
| 1959 | 6 |
| 1960 | 5 |
| 1961 | 3 |
| 1962 | 7 |
| 1963 | 15 |
| 1964 | 7 |
| 1965 | 21 |
| 1966 | 75 |
| 1967 | 158 |
| 1968 | 186 |
| 1969 | 174 |
| 1970 | 145 |
| 1971 | 105 |
| 1972 | 122 |
| 1973 | 102 |
| 1974 | 92 |
| 1975 | 88 |
| 1976 | 82 |
| 1977 | 105 |
| 1978 | 139 |
| 1979 | 133 |
| 1980 | 116 |
| 1981 | 109 |
| 1982 | 130 |
| 1983 | 121 |
| 1984 | 179 |
| 1985 | 197 |
| 1986 | 184 |
| 1987 | 182 |
| 1988 | 162 |
| 1989 | 174 |
| 1990 | 199 |
| 1991 | 203 |
| 1992 | 202 |
| 1993 | 252 |
| 1994 | 283 |
| 1995 | 246 |
| 1996 | 252 |
| 1997 | 293 |
| 1998 | 317 |
| 1999 | 294 |
| 2000 | 341 |
| 2001 | 361 |
| 2002 | 372 |
| 2003 | 392 |
| 2004 | 430 |
| 2005 | 463 |
| 2006 | 561 |
| 2007 | 538 |
| 2008 | 620 |
| 2009 | 557 |
| 2010 | 635 |
| 2011 | 595 |
| 2012 | 643 |
| 2013 | 628 |
| 2014 | 642 |
| 2015 | 621 |
| 2016 | 612 |
| 2017 | 625 |
| 2018 | 619 |
| 2019 | 514 |
| 2020 | 581 |
| 2021 | 594 |
| 2022 | 579 |
| 2023 | 502 |
| 2024 | 177 |