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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1921 | 1 |
| 1927 | 1 |
| 1929 | 3 |
| 1930 | 3 |
| 1932 | 1 |
| 1933 | 2 |
| 1934 | 2 |
| 1935 | 1 |
| 1937 | 1 |
| 1939 | 2 |
| 1940 | 1 |
| 1945 | 1 |
| 1946 | 6 |
| 1947 | 3 |
| 1948 | 1 |
| 1949 | 5 |
| 1950 | 7 |
| 1951 | 11 |
| 1952 | 6 |
| 1953 | 15 |
| 1954 | 4 |
| 1955 | 13 |
| 1956 | 19 |
| 1957 | 13 |
| 1958 | 19 |
| 1959 | 21 |
| 1960 | 19 |
| 1961 | 23 |
| 1962 | 49 |
| 1963 | 58 |
| 1964 | 56 |
| 1965 | 82 |
| 1966 | 94 |
| 1967 | 114 |
| 1968 | 119 |
| 1969 | 126 |
| 1970 | 162 |
| 1971 | 149 |
| 1972 | 221 |
| 1973 | 183 |
| 1974 | 186 |
| 1975 | 187 |
| 1976 | 221 |
| 1977 | 265 |
| 1978 | 280 |
| 1979 | 312 |
| 1980 | 339 |
| 1981 | 305 |
| 1982 | 341 |
| 1983 | 368 |
| 1984 | 394 |
| 1985 | 446 |
| 1986 | 454 |
| 1987 | 505 |
| 1988 | 518 |
| 1989 | 538 |
| 1990 | 618 |
| 1991 | 628 |
| 1992 | 644 |
| 1993 | 597 |
| 1994 | 682 |
| 1995 | 677 |
| 1996 | 769 |
| 1997 | 797 |
| 1998 | 789 |
| 1999 | 870 |
| 2000 | 1037 |
| 2001 | 1112 |
| 2002 | 1173 |
| 2003 | 1330 |
| 2004 | 1494 |
| 2005 | 1850 |
| 2006 | 2061 |
| 2007 | 2199 |
| 2008 | 2577 |
| 2009 | 2908 |
| 2010 | 3427 |
| 2011 | 4024 |
| 2012 | 4375 |
| 2013 | 4994 |
| 2014 | 5534 |
| 2015 | 5594 |
| 2016 | 5998 |
| 2017 | 6099 |
| 2018 | 6491 |
| 2019 | 7232 |
| 2020 | 9183 |
| 2021 | 10779 |
| 2022 | 11078 |
| 2023 | 10310 |
| 2024 | 79 |