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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1916 | 2 |
| 1927 | 2 |
| 1942 | 1 |
| 1948 | 2 |
| 1949 | 1 |
| 1950 | 1 |
| 1951 | 1 |
| 1952 | 1 |
| 1953 | 1 |
| 1954 | 1 |
| 1955 | 3 |
| 1956 | 3 |
| 1957 | 3 |
| 1958 | 2 |
| 1959 | 2 |
| 1960 | 2 |
| 1961 | 3 |
| 1962 | 4 |
| 1963 | 2 |
| 1964 | 3 |
| 1965 | 13 |
| 1966 | 6 |
| 1967 | 5 |
| 1968 | 11 |
| 1969 | 8 |
| 1970 | 13 |
| 1971 | 8 |
| 1972 | 5 |
| 1973 | 10 |
| 1974 | 15 |
| 1975 | 10 |
| 1976 | 8 |
| 1977 | 13 |
| 1978 | 16 |
| 1979 | 16 |
| 1980 | 12 |
| 1981 | 20 |
| 1982 | 18 |
| 1983 | 49 |
| 1984 | 13 |
| 1985 | 26 |
| 1986 | 27 |
| 1987 | 102 |
| 1988 | 153 |
| 1989 | 139 |
| 1990 | 210 |
| 1991 | 129 |
| 1992 | 64 |
| 1993 | 84 |
| 1994 | 62 |
| 1995 | 74 |
| 1996 | 111 |
| 1997 | 155 |
| 1998 | 180 |
| 1999 | 220 |
| 2000 | 256 |
| 2001 | 319 |
| 2002 | 284 |
| 2003 | 286 |
| 2004 | 308 |
| 2005 | 338 |
| 2006 | 373 |
| 2007 | 379 |
| 2008 | 442 |
| 2009 | 409 |
| 2010 | 439 |
| 2011 | 389 |
| 2012 | 430 |
| 2013 | 468 |
| 2014 | 681 |
| 2015 | 761 |
| 2016 | 914 |
| 2017 | 977 |
| 2018 | 1002 |
| 2019 | 1101 |
| 2020 | 1345 |
| 2021 | 1414 |
| 2022 | 1251 |
| 2023 | 1119 |
| 2024 | 989 |