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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1951 | 1 |
| 1952 | 1 |
| 1953 | 2 |
| 1954 | 5 |
| 1956 | 1 |
| 1957 | 1 |
| 1959 | 1 |
| 1960 | 1 |
| 1961 | 1 |
| 1962 | 2 |
| 1967 | 2 |
| 1972 | 1 |
| 1973 | 1 |
| 1974 | 7 |
| 1975 | 14 |
| 1976 | 42 |
| 1977 | 34 |
| 1978 | 25 |
| 1979 | 28 |
| 1980 | 24 |
| 1981 | 34 |
| 1982 | 32 |
| 1983 | 25 |
| 1984 | 29 |
| 1985 | 46 |
| 1986 | 43 |
| 1987 | 34 |
| 1988 | 75 |
| 1989 | 124 |
| 1990 | 165 |
| 1991 | 146 |
| 1992 | 152 |
| 1993 | 205 |
| 1994 | 213 |
| 1995 | 239 |
| 1996 | 215 |
| 1997 | 248 |
| 1998 | 272 |
| 1999 | 350 |
| 2000 | 293 |
| 2001 | 268 |
| 2002 | 353 |
| 2003 | 345 |
| 2004 | 368 |
| 2005 | 451 |
| 2006 | 626 |
| 2007 | 479 |
| 2008 | 579 |
| 2009 | 603 |
| 2010 | 753 |
| 2011 | 751 |
| 2012 | 768 |
| 2013 | 834 |
| 2014 | 725 |
| 2015 | 818 |
| 2016 | 850 |
| 2017 | 964 |
| 2018 | 913 |
| 2019 | 967 |
| 2020 | 894 |
| 2021 | 736 |
| 2022 | 401 |
| 2023 | 195 |
| 2024 | 134 |