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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1885 | 1 |
| 1899 | 1 |
| 1909 | 1 |
| 1920 | 1 |
| 1921 | 1 |
| 1939 | 1 |
| 1946 | 6 |
| 1947 | 8 |
| 1948 | 6 |
| 1949 | 8 |
| 1950 | 14 |
| 1951 | 8 |
| 1952 | 16 |
| 1953 | 15 |
| 1954 | 11 |
| 1955 | 8 |
| 1956 | 27 |
| 1957 | 20 |
| 1958 | 17 |
| 1959 | 21 |
| 1960 | 16 |
| 1961 | 26 |
| 1962 | 21 |
| 1963 | 29 |
| 1964 | 33 |
| 1965 | 31 |
| 1966 | 27 |
| 1967 | 39 |
| 1968 | 41 |
| 1969 | 48 |
| 1970 | 34 |
| 1971 | 34 |
| 1972 | 52 |
| 1973 | 56 |
| 1974 | 50 |
| 1975 | 54 |
| 1976 | 32 |
| 1977 | 50 |
| 1978 | 65 |
| 1979 | 63 |
| 1980 | 56 |
| 1981 | 56 |
| 1982 | 73 |
| 1983 | 68 |
| 1984 | 97 |
| 1985 | 97 |
| 1986 | 96 |
| 1987 | 94 |
| 1988 | 116 |
| 1989 | 111 |
| 1990 | 134 |
| 1991 | 115 |
| 1992 | 115 |
| 1993 | 106 |
| 1994 | 139 |
| 1995 | 153 |
| 1996 | 142 |
| 1997 | 150 |
| 1998 | 171 |
| 1999 | 183 |
| 2000 | 166 |
| 2001 | 205 |
| 2002 | 192 |
| 2003 | 196 |
| 2004 | 227 |
| 2005 | 244 |
| 2006 | 275 |
| 2007 | 288 |
| 2008 | 295 |
| 2009 | 312 |
| 2010 | 366 |
| 2011 | 386 |
| 2012 | 427 |
| 2013 | 506 |
| 2014 | 493 |
| 2015 | 512 |
| 2016 | 537 |
| 2017 | 553 |
| 2018 | 526 |
| 2019 | 569 |
| 2020 | 644 |
| 2021 | 708 |
| 2022 | 630 |
| 2023 | 604 |
| 2024 | 428 |
| 2025 | 1 |