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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1921 | 1 |
| 1924 | 1 |
| 1927 | 1 |
| 1930 | 1 |
| 1931 | 1 |
| 1933 | 1 |
| 1948 | 1 |
| 1961 | 1 |
| 1964 | 2 |
| 1965 | 2 |
| 1966 | 2 |
| 1968 | 1 |
| 1969 | 3 |
| 1970 | 1 |
| 1971 | 3 |
| 1972 | 1 |
| 1973 | 5 |
| 1974 | 6 |
| 1975 | 8 |
| 1976 | 5 |
| 1977 | 5 |
| 1978 | 12 |
| 1979 | 9 |
| 1980 | 5 |
| 1981 | 12 |
| 1982 | 14 |
| 1983 | 10 |
| 1984 | 17 |
| 1985 | 10 |
| 1986 | 27 |
| 1987 | 35 |
| 1988 | 32 |
| 1989 | 29 |
| 1990 | 37 |
| 1991 | 36 |
| 1992 | 41 |
| 1993 | 46 |
| 1994 | 37 |
| 1995 | 41 |
| 1996 | 43 |
| 1997 | 44 |
| 1998 | 43 |
| 1999 | 32 |
| 2000 | 39 |
| 2001 | 64 |
| 2002 | 59 |
| 2003 | 68 |
| 2004 | 93 |
| 2005 | 113 |
| 2006 | 125 |
| 2007 | 178 |
| 2008 | 178 |
| 2009 | 162 |
| 2010 | 198 |
| 2011 | 237 |
| 2012 | 268 |
| 2013 | 321 |
| 2014 | 345 |
| 2015 | 393 |
| 2016 | 432 |
| 2017 | 471 |
| 2018 | 559 |
| 2019 | 607 |
| 2020 | 817 |
| 2021 | 912 |
| 2022 | 859 |
| 2023 | 985 |
| 2024 | 456 |