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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1913 | 1 |
| 1931 | 1 |
| 1934 | 1 |
| 1945 | 1 |
| 1954 | 1 |
| 1956 | 1 |
| 1957 | 1 |
| 1959 | 1 |
| 1962 | 1 |
| 1963 | 1 |
| 1964 | 1 |
| 1968 | 4 |
| 1969 | 2 |
| 1970 | 11 |
| 1971 | 3 |
| 1972 | 6 |
| 1973 | 9 |
| 1974 | 5 |
| 1975 | 11 |
| 1976 | 11 |
| 1977 | 14 |
| 1978 | 20 |
| 1979 | 21 |
| 1980 | 17 |
| 1981 | 13 |
| 1982 | 20 |
| 1983 | 24 |
| 1984 | 25 |
| 1985 | 36 |
| 1986 | 28 |
| 1987 | 30 |
| 1988 | 35 |
| 1989 | 35 |
| 1990 | 57 |
| 1991 | 54 |
| 1992 | 60 |
| 1993 | 69 |
| 1994 | 44 |
| 1995 | 84 |
| 1996 | 71 |
| 1997 | 86 |
| 1998 | 72 |
| 1999 | 91 |
| 2000 | 126 |
| 2001 | 135 |
| 2002 | 148 |
| 2003 | 164 |
| 2004 | 164 |
| 2005 | 222 |
| 2006 | 277 |
| 2007 | 289 |
| 2008 | 345 |
| 2009 | 406 |
| 2010 | 554 |
| 2011 | 556 |
| 2012 | 523 |
| 2013 | 591 |
| 2014 | 713 |
| 2015 | 757 |
| 2016 | 851 |
| 2017 | 928 |
| 2018 | 1048 |
| 2019 | 1179 |
| 2020 | 1622 |
| 2021 | 1912 |
| 2022 | 2078 |
| 2023 | 1502 |