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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1928 | 1 |
| 1948 | 2 |
| 1949 | 1 |
| 1955 | 1 |
| 1957 | 1 |
| 1958 | 1 |
| 1959 | 5 |
| 1960 | 4 |
| 1961 | 3 |
| 1962 | 4 |
| 1963 | 9 |
| 1964 | 8 |
| 1965 | 10 |
| 1966 | 2 |
| 1967 | 4 |
| 1968 | 5 |
| 1969 | 1 |
| 1970 | 5 |
| 1971 | 3 |
| 1972 | 4 |
| 1973 | 11 |
| 1974 | 2 |
| 1975 | 5 |
| 1976 | 5 |
| 1977 | 7 |
| 1978 | 10 |
| 1979 | 16 |
| 1980 | 19 |
| 1981 | 46 |
| 1982 | 45 |
| 1983 | 52 |
| 1984 | 56 |
| 1985 | 77 |
| 1986 | 87 |
| 1987 | 106 |
| 1988 | 123 |
| 1989 | 130 |
| 1990 | 163 |
| 1991 | 215 |
| 1992 | 251 |
| 1993 | 270 |
| 1994 | 339 |
| 1995 | 362 |
| 1996 | 395 |
| 1997 | 422 |
| 1998 | 491 |
| 1999 | 575 |
| 2000 | 735 |
| 2001 | 813 |
| 2002 | 1025 |
| 2003 | 1377 |
| 2004 | 1672 |
| 2005 | 2219 |
| 2006 | 2526 |
| 2007 | 2976 |
| 2008 | 3400 |
| 2009 | 4048 |
| 2010 | 5032 |
| 2011 | 5900 |
| 2012 | 6894 |
| 2013 | 8230 |
| 2014 | 9361 |
| 2015 | 10738 |
| 2016 | 11717 |
| 2017 | 12773 |
| 2018 | 14980 |
| 2019 | 17595 |
| 2020 | 21401 |
| 2021 | 24236 |
| 2022 | 29034 |
| 2023 | 13686 |