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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1918 | 1 |
| 1930 | 1 |
| 1946 | 1 |
| 1947 | 1 |
| 1949 | 2 |
| 1950 | 3 |
| 1951 | 3 |
| 1952 | 3 |
| 1953 | 1 |
| 1954 | 7 |
| 1955 | 12 |
| 1956 | 11 |
| 1957 | 11 |
| 1958 | 14 |
| 1959 | 22 |
| 1960 | 22 |
| 1961 | 33 |
| 1962 | 29 |
| 1963 | 63 |
| 1964 | 117 |
| 1965 | 97 |
| 1966 | 116 |
| 1967 | 205 |
| 1968 | 203 |
| 1969 | 217 |
| 1970 | 194 |
| 1971 | 253 |
| 1972 | 227 |
| 1973 | 227 |
| 1974 | 267 |
| 1975 | 406 |
| 1976 | 371 |
| 1977 | 409 |
| 1978 | 493 |
| 1979 | 618 |
| 1980 | 688 |
| 1981 | 736 |
| 1982 | 789 |
| 1983 | 772 |
| 1984 | 800 |
| 1985 | 774 |
| 1986 | 758 |
| 1987 | 802 |
| 1988 | 860 |
| 1989 | 1052 |
| 1990 | 1048 |
| 1991 | 1163 |
| 1992 | 1251 |
| 1993 | 1317 |
| 1994 | 1382 |
| 1995 | 1378 |
| 1996 | 1372 |
| 1997 | 1515 |
| 1998 | 1577 |
| 1999 | 1638 |
| 2000 | 1955 |
| 2001 | 1955 |
| 2002 | 2207 |
| 2003 | 2171 |
| 2004 | 2267 |
| 2005 | 2555 |
| 2006 | 2842 |
| 2007 | 3040 |
| 2008 | 3246 |
| 2009 | 3447 |
| 2010 | 3992 |
| 2011 | 4069 |
| 2012 | 4429 |
| 2013 | 4851 |
| 2014 | 5571 |
| 2015 | 5903 |
| 2016 | 6352 |
| 2017 | 6650 |
| 2018 | 6988 |
| 2019 | 7597 |
| 2020 | 8987 |
| 2021 | 9431 |
| 2022 | 8822 |
| 2023 | 9024 |
| 2024 | 4230 |