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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 7 |
| 1966 | 30 |
| 1967 | 76 |
| 1968 | 119 |
| 1969 | 141 |
| 1970 | 369 |
| 1971 | 633 |
| 1972 | 1060 |
| 1973 | 1271 |
| 1974 | 1399 |
| 1975 | 1492 |
| 1976 | 1207 |
| 1977 | 1285 |
| 1978 | 1177 |
| 1979 | 1302 |
| 1980 | 1279 |
| 1981 | 1219 |
| 1982 | 1190 |
| 1983 | 1448 |
| 1984 | 1480 |
| 1985 | 1568 |
| 1986 | 1537 |
| 1987 | 1520 |
| 1988 | 1459 |
| 1989 | 1609 |
| 1990 | 1698 |
| 1991 | 1536 |
| 1992 | 1424 |
| 1993 | 1431 |
| 1994 | 1372 |
| 1995 | 1337 |
| 1996 | 1140 |
| 1997 | 1009 |
| 1998 | 936 |
| 1999 | 911 |
| 2000 | 979 |
| 2001 | 911 |
| 2002 | 1006 |
| 2003 | 1056 |
| 2004 | 1105 |
| 2005 | 1175 |
| 2006 | 1196 |
| 2007 | 1149 |
| 2008 | 1033 |
| 2009 | 1073 |
| 2010 | 1125 |
| 2011 | 1103 |
| 2012 | 1067 |
| 2013 | 1122 |
| 2014 | 1057 |
| 2015 | 1048 |
| 2016 | 908 |
| 2017 | 856 |
| 2018 | 830 |
| 2019 | 778 |
| 2020 | 734 |
| 2021 | 686 |
| 2022 | 182 |
| 2023 | 72 |
| 2024 | 531 |
| 2025 | 412 |