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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1923 | 2 |
| 1924 | 2 |
| 1927 | 1 |
| 1928 | 1 |
| 1940 | 1 |
| 1946 | 1 |
| 1949 | 2 |
| 1951 | 1 |
| 1953 | 2 |
| 1954 | 3 |
| 1956 | 5 |
| 1957 | 4 |
| 1958 | 3 |
| 1959 | 3 |
| 1960 | 1 |
| 1961 | 2 |
| 1962 | 4 |
| 1963 | 9 |
| 1964 | 24 |
| 1965 | 10 |
| 1966 | 12 |
| 1967 | 21 |
| 1968 | 19 |
| 1969 | 15 |
| 1970 | 21 |
| 1971 | 35 |
| 1972 | 36 |
| 1973 | 49 |
| 1974 | 55 |
| 1975 | 129 |
| 1976 | 113 |
| 1977 | 197 |
| 1978 | 229 |
| 1979 | 249 |
| 1980 | 307 |
| 1981 | 350 |
| 1982 | 399 |
| 1983 | 500 |
| 1984 | 543 |
| 1985 | 632 |
| 1986 | 590 |
| 1987 | 608 |
| 1988 | 570 |
| 1989 | 719 |
| 1990 | 703 |
| 1991 | 706 |
| 1992 | 809 |
| 1993 | 954 |
| 1994 | 1008 |
| 1995 | 1150 |
| 1996 | 1170 |
| 1997 | 1245 |
| 1998 | 1350 |
| 1999 | 1547 |
| 2000 | 1620 |
| 2001 | 1639 |
| 2002 | 1664 |
| 2003 | 1701 |
| 2004 | 1937 |
| 2005 | 2080 |
| 2006 | 2355 |
| 2007 | 2630 |
| 2008 | 2973 |
| 2009 | 2939 |
| 2010 | 3074 |
| 2011 | 3345 |
| 2012 | 3515 |
| 2013 | 3587 |
| 2014 | 3632 |
| 2015 | 3594 |
| 2016 | 3170 |
| 2017 | 2922 |
| 2018 | 2811 |
| 2019 | 2722 |
| 2020 | 2690 |
| 2021 | 2228 |
| 2022 | 1777 |
| 2023 | 1641 |
| 2024 | 669 |