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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1959 | 1 |
| 1962 | 2 |
| 1965 | 1 |
| 1966 | 1 |
| 1967 | 13 |
| 1968 | 7 |
| 1969 | 14 |
| 1970 | 6 |
| 1971 | 18 |
| 1972 | 11 |
| 1973 | 19 |
| 1974 | 21 |
| 1975 | 22 |
| 1976 | 25 |
| 1977 | 37 |
| 1978 | 30 |
| 1979 | 27 |
| 1980 | 40 |
| 1981 | 48 |
| 1982 | 51 |
| 1983 | 86 |
| 1984 | 125 |
| 1985 | 197 |
| 1986 | 179 |
| 1987 | 151 |
| 1988 | 177 |
| 1989 | 180 |
| 1990 | 218 |
| 1991 | 254 |
| 1992 | 315 |
| 1993 | 350 |
| 1994 | 371 |
| 1995 | 424 |
| 1996 | 517 |
| 1997 | 493 |
| 1998 | 545 |
| 1999 | 542 |
| 2000 | 576 |
| 2001 | 576 |
| 2002 | 454 |
| 2003 | 428 |
| 2004 | 423 |
| 2005 | 602 |
| 2006 | 647 |
| 2007 | 730 |
| 2008 | 800 |
| 2009 | 893 |
| 2010 | 963 |
| 2011 | 1059 |
| 2012 | 1086 |
| 2013 | 1177 |
| 2014 | 1152 |
| 2015 | 1095 |
| 2016 | 1078 |
| 2017 | 1068 |
| 2018 | 942 |
| 2019 | 914 |
| 2020 | 684 |
| 2021 | 553 |
| 2022 | 194 |
| 2023 | 149 |
| 2024 | 35 |