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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 2 |
| 1954 | 1 |
| 1955 | 1 |
| 1956 | 1 |
| 1957 | 1 |
| 1959 | 2 |
| 1966 | 4 |
| 1967 | 5 |
| 1968 | 13 |
| 1969 | 20 |
| 1970 | 17 |
| 1971 | 18 |
| 1972 | 24 |
| 1973 | 11 |
| 1974 | 14 |
| 1975 | 15 |
| 1976 | 18 |
| 1977 | 9 |
| 1978 | 22 |
| 1979 | 21 |
| 1980 | 32 |
| 1981 | 31 |
| 1982 | 56 |
| 1983 | 48 |
| 1984 | 39 |
| 1985 | 31 |
| 1986 | 54 |
| 1987 | 65 |
| 1988 | 78 |
| 1989 | 68 |
| 1990 | 62 |
| 1991 | 78 |
| 1992 | 96 |
| 1993 | 121 |
| 1994 | 126 |
| 1995 | 176 |
| 1996 | 219 |
| 1997 | 237 |
| 1998 | 193 |
| 1999 | 206 |
| 2000 | 228 |
| 2001 | 269 |
| 2002 | 322 |
| 2003 | 395 |
| 2004 | 449 |
| 2005 | 520 |
| 2006 | 532 |
| 2007 | 594 |
| 2008 | 568 |
| 2009 | 612 |
| 2010 | 678 |
| 2011 | 738 |
| 2012 | 848 |
| 2013 | 853 |
| 2014 | 893 |
| 2015 | 1028 |
| 2016 | 1004 |
| 2017 | 979 |
| 2018 | 889 |
| 2019 | 904 |
| 2020 | 808 |
| 2021 | 465 |
| 2022 | 79 |
| 2023 | 15 |
| 2024 | 5 |