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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1906 | 1 |
| 1936 | 2 |
| 1939 | 1 |
| 1949 | 2 |
| 1956 | 2 |
| 1965 | 1 |
| 1966 | 1 |
| 1967 | 2 |
| 1970 | 1 |
| 1971 | 3 |
| 1972 | 2 |
| 1973 | 1 |
| 1974 | 4 |
| 1975 | 4 |
| 1976 | 10 |
| 1977 | 4 |
| 1978 | 5 |
| 1979 | 10 |
| 1980 | 8 |
| 1981 | 11 |
| 1982 | 8 |
| 1983 | 13 |
| 1984 | 14 |
| 1985 | 12 |
| 1986 | 18 |
| 1987 | 13 |
| 1988 | 20 |
| 1989 | 18 |
| 1990 | 15 |
| 1991 | 10 |
| 1992 | 13 |
| 1993 | 31 |
| 1994 | 25 |
| 1995 | 21 |
| 1996 | 26 |
| 1997 | 27 |
| 1998 | 31 |
| 1999 | 37 |
| 2000 | 45 |
| 2001 | 21 |
| 2002 | 55 |
| 2003 | 61 |
| 2004 | 80 |
| 2005 | 94 |
| 2006 | 119 |
| 2007 | 124 |
| 2008 | 161 |
| 2009 | 174 |
| 2010 | 268 |
| 2011 | 251 |
| 2012 | 291 |
| 2013 | 344 |
| 2014 | 460 |
| 2015 | 509 |
| 2016 | 586 |
| 2017 | 659 |
| 2018 | 778 |
| 2019 | 946 |
| 2020 | 1193 |
| 2021 | 1459 |
| 2022 | 1671 |
| 2023 | 155 |