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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1928 | 1 |
| 1940 | 1 |
| 1947 | 1 |
| 1948 | 7 |
| 1949 | 10 |
| 1950 | 5 |
| 1951 | 4 |
| 1952 | 3 |
| 1953 | 3 |
| 1954 | 5 |
| 1955 | 6 |
| 1956 | 10 |
| 1957 | 17 |
| 1958 | 10 |
| 1959 | 13 |
| 1960 | 8 |
| 1961 | 7 |
| 1962 | 4 |
| 1963 | 12 |
| 1964 | 19 |
| 1965 | 15 |
| 1966 | 12 |
| 1967 | 12 |
| 1968 | 25 |
| 1969 | 31 |
| 1970 | 26 |
| 1971 | 31 |
| 1972 | 17 |
| 1973 | 30 |
| 1974 | 21 |
| 1975 | 33 |
| 1976 | 43 |
| 1977 | 36 |
| 1978 | 34 |
| 1979 | 26 |
| 1980 | 35 |
| 1981 | 36 |
| 1982 | 43 |
| 1983 | 61 |
| 1984 | 69 |
| 1985 | 52 |
| 1986 | 51 |
| 1987 | 52 |
| 1988 | 62 |
| 1989 | 70 |
| 1990 | 62 |
| 1991 | 87 |
| 1992 | 80 |
| 1993 | 72 |
| 1994 | 72 |
| 1995 | 82 |
| 1996 | 71 |
| 1997 | 85 |
| 1998 | 82 |
| 1999 | 92 |
| 2000 | 98 |
| 2001 | 98 |
| 2002 | 92 |
| 2003 | 111 |
| 2004 | 103 |
| 2005 | 118 |
| 2006 | 144 |
| 2007 | 133 |
| 2008 | 137 |
| 2009 | 139 |
| 2010 | 153 |
| 2011 | 146 |
| 2012 | 168 |
| 2013 | 163 |
| 2014 | 150 |
| 2015 | 171 |
| 2016 | 182 |
| 2017 | 167 |
| 2018 | 159 |
| 2019 | 174 |
| 2020 | 184 |
| 2021 | 185 |
| 2022 | 199 |
| 2023 | 195 |
| 2024 | 146 |