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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1918 | 1 |
| 1946 | 2 |
| 1947 | 1 |
| 1948 | 2 |
| 1949 | 1 |
| 1950 | 1 |
| 1951 | 3 |
| 1952 | 1 |
| 1953 | 1 |
| 1954 | 2 |
| 1955 | 2 |
| 1956 | 1 |
| 1957 | 4 |
| 1958 | 1 |
| 1959 | 2 |
| 1960 | 2 |
| 1961 | 3 |
| 1962 | 11 |
| 1963 | 9 |
| 1964 | 11 |
| 1965 | 14 |
| 1966 | 24 |
| 1967 | 22 |
| 1968 | 22 |
| 1969 | 28 |
| 1970 | 25 |
| 1971 | 29 |
| 1972 | 24 |
| 1973 | 30 |
| 1974 | 26 |
| 1975 | 37 |
| 1976 | 34 |
| 1977 | 40 |
| 1978 | 50 |
| 1979 | 44 |
| 1980 | 47 |
| 1981 | 49 |
| 1982 | 63 |
| 1983 | 58 |
| 1984 | 53 |
| 1985 | 73 |
| 1986 | 64 |
| 1987 | 57 |
| 1988 | 71 |
| 1989 | 106 |
| 1990 | 104 |
| 1991 | 105 |
| 1992 | 96 |
| 1993 | 118 |
| 1994 | 127 |
| 1995 | 124 |
| 1996 | 138 |
| 1997 | 151 |
| 1998 | 165 |
| 1999 | 151 |
| 2000 | 175 |
| 2001 | 178 |
| 2002 | 175 |
| 2003 | 176 |
| 2004 | 210 |
| 2005 | 214 |
| 2006 | 204 |
| 2007 | 242 |
| 2008 | 237 |
| 2009 | 279 |
| 2010 | 304 |
| 2011 | 330 |
| 2012 | 386 |
| 2013 | 368 |
| 2014 | 377 |
| 2015 | 385 |
| 2016 | 425 |
| 2017 | 474 |
| 2018 | 477 |
| 2019 | 460 |
| 2020 | 554 |
| 2021 | 628 |
| 2022 | 614 |
| 2023 | 567 |
| 2024 | 601 |
| 2025 | 472 |
| 2026 | 3 |