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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1928 | 2 |
| 1929 | 1 |
| 1930 | 2 |
| 1932 | 1 |
| 1933 | 1 |
| 1941 | 1 |
| 1944 | 1 |
| 1946 | 5 |
| 1949 | 4 |
| 1950 | 3 |
| 1951 | 2 |
| 1952 | 4 |
| 1953 | 5 |
| 1954 | 8 |
| 1955 | 3 |
| 1956 | 5 |
| 1957 | 8 |
| 1958 | 4 |
| 1959 | 6 |
| 1960 | 3 |
| 1961 | 4 |
| 1962 | 7 |
| 1963 | 6 |
| 1964 | 12 |
| 1965 | 8 |
| 1966 | 11 |
| 1967 | 12 |
| 1968 | 11 |
| 1969 | 9 |
| 1970 | 18 |
| 1971 | 16 |
| 1972 | 17 |
| 1973 | 24 |
| 1974 | 30 |
| 1975 | 40 |
| 1976 | 28 |
| 1977 | 32 |
| 1978 | 23 |
| 1979 | 28 |
| 1980 | 28 |
| 1981 | 45 |
| 1982 | 37 |
| 1983 | 58 |
| 1984 | 56 |
| 1985 | 52 |
| 1986 | 65 |
| 1987 | 69 |
| 1988 | 63 |
| 1989 | 71 |
| 1990 | 87 |
| 1991 | 98 |
| 1992 | 86 |
| 1993 | 96 |
| 1994 | 89 |
| 1995 | 71 |
| 1996 | 76 |
| 1997 | 90 |
| 1998 | 98 |
| 1999 | 106 |
| 2000 | 135 |
| 2001 | 120 |
| 2002 | 125 |
| 2003 | 147 |
| 2004 | 152 |
| 2005 | 156 |
| 2006 | 172 |
| 2007 | 183 |
| 2008 | 208 |
| 2009 | 195 |
| 2010 | 234 |
| 2011 | 235 |
| 2012 | 251 |
| 2013 | 260 |
| 2014 | 280 |
| 2015 | 277 |
| 2016 | 286 |
| 2017 | 348 |
| 2018 | 353 |
| 2019 | 300 |
| 2020 | 377 |
| 2021 | 403 |
| 2022 | 387 |
| 2023 | 227 |