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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1929 | 3 |
| 1930 | 1 |
| 1931 | 1 |
| 1939 | 5 |
| 1940 | 4 |
| 1941 | 1 |
| 1942 | 1 |
| 1944 | 1 |
| 1945 | 3 |
| 1946 | 4 |
| 1947 | 12 |
| 1948 | 10 |
| 1949 | 19 |
| 1950 | 21 |
| 1951 | 23 |
| 1952 | 25 |
| 1953 | 15 |
| 1954 | 25 |
| 1955 | 17 |
| 1956 | 19 |
| 1957 | 20 |
| 1958 | 32 |
| 1959 | 33 |
| 1960 | 21 |
| 1961 | 20 |
| 1962 | 23 |
| 1963 | 29 |
| 1964 | 32 |
| 1965 | 23 |
| 1966 | 13 |
| 1967 | 14 |
| 1968 | 21 |
| 1969 | 18 |
| 1970 | 14 |
| 1971 | 23 |
| 1972 | 37 |
| 1973 | 35 |
| 1974 | 32 |
| 1975 | 25 |
| 1976 | 36 |
| 1977 | 45 |
| 1978 | 52 |
| 1979 | 49 |
| 1980 | 53 |
| 1981 | 52 |
| 1982 | 56 |
| 1983 | 47 |
| 1984 | 58 |
| 1985 | 75 |
| 1986 | 67 |
| 1987 | 92 |
| 1988 | 69 |
| 1989 | 66 |
| 1990 | 87 |
| 1991 | 74 |
| 1992 | 84 |
| 1993 | 139 |
| 1994 | 151 |
| 1995 | 149 |
| 1996 | 158 |
| 1997 | 223 |
| 1998 | 239 |
| 1999 | 311 |
| 2000 | 299 |
| 2001 | 357 |
| 2002 | 445 |
| 2003 | 615 |
| 2004 | 725 |
| 2005 | 822 |
| 2006 | 1019 |
| 2007 | 1170 |
| 2008 | 1378 |
| 2009 | 1606 |
| 2010 | 1954 |
| 2011 | 2261 |
| 2012 | 2660 |
| 2013 | 3020 |
| 2014 | 3679 |
| 2015 | 4073 |
| 2016 | 4186 |
| 2017 | 4658 |
| 2018 | 5619 |
| 2019 | 6449 |
| 2020 | 7837 |
| 2021 | 9021 |
| 2022 | 10383 |
| 2023 | 2795 |