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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1962 | 1 |
| 1963 | 2 |
| 1964 | 9 |
| 1965 | 87 |
| 1966 | 228 |
| 1967 | 387 |
| 1968 | 491 |
| 1969 | 674 |
| 1970 | 713 |
| 1971 | 758 |
| 1972 | 943 |
| 1973 | 1021 |
| 1974 | 1114 |
| 1975 | 1076 |
| 1976 | 1058 |
| 1977 | 1053 |
| 1978 | 1026 |
| 1979 | 1104 |
| 1980 | 1203 |
| 1981 | 1152 |
| 1982 | 1412 |
| 1983 | 1482 |
| 1984 | 1718 |
| 1985 | 1755 |
| 1986 | 1649 |
| 1987 | 1583 |
| 1988 | 1558 |
| 1989 | 1776 |
| 1990 | 1650 |
| 1991 | 1633 |
| 1992 | 1511 |
| 1993 | 1466 |
| 1994 | 1450 |
| 1995 | 1321 |
| 1996 | 1207 |
| 1997 | 1275 |
| 1998 | 1268 |
| 1999 | 1158 |
| 2000 | 1129 |
| 2001 | 1151 |
| 2002 | 1087 |
| 2003 | 1186 |
| 2004 | 1170 |
| 2005 | 1175 |
| 2006 | 1282 |
| 2007 | 1439 |
| 2008 | 1275 |
| 2009 | 1132 |
| 2010 | 1137 |
| 2011 | 1110 |
| 2012 | 1204 |
| 2013 | 1124 |
| 2014 | 1077 |
| 2015 | 1063 |
| 2016 | 959 |
| 2017 | 867 |
| 2018 | 828 |
| 2019 | 719 |
| 2020 | 629 |
| 2021 | 372 |
| 2022 | 46 |
| 2023 | 16 |
| 2024 | 113 |