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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 3 |
| 1960 | 1 |
| 1967 | 2 |
| 1968 | 6 |
| 1969 | 4 |
| 1970 | 4 |
| 1971 | 3 |
| 1972 | 3 |
| 1973 | 5 |
| 1974 | 6 |
| 1975 | 7 |
| 1976 | 2 |
| 1977 | 10 |
| 1978 | 2 |
| 1979 | 8 |
| 1980 | 4 |
| 1981 | 9 |
| 1982 | 4 |
| 1983 | 6 |
| 1984 | 3 |
| 1985 | 5 |
| 1986 | 14 |
| 1987 | 21 |
| 1988 | 25 |
| 1989 | 19 |
| 1990 | 27 |
| 1991 | 27 |
| 1992 | 33 |
| 1993 | 31 |
| 1994 | 44 |
| 1995 | 42 |
| 1996 | 29 |
| 1997 | 38 |
| 1998 | 40 |
| 1999 | 45 |
| 2000 | 41 |
| 2001 | 53 |
| 2002 | 58 |
| 2003 | 80 |
| 2004 | 89 |
| 2005 | 72 |
| 2006 | 93 |
| 2007 | 127 |
| 2008 | 134 |
| 2009 | 156 |
| 2010 | 179 |
| 2011 | 252 |
| 2012 | 320 |
| 2013 | 399 |
| 2014 | 381 |
| 2015 | 480 |
| 2016 | 494 |
| 2017 | 487 |
| 2018 | 605 |
| 2019 | 727 |
| 2020 | 865 |
| 2021 | 955 |
| 2022 | 1244 |
| 2023 | 852 |
| 2024 | 2 |