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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1960 | 1 |
| 1961 | 2 |
| 1965 | 3 |
| 1966 | 15 |
| 1967 | 22 |
| 1968 | 35 |
| 1969 | 31 |
| 1970 | 48 |
| 1971 | 71 |
| 1972 | 63 |
| 1973 | 79 |
| 1974 | 126 |
| 1975 | 171 |
| 1976 | 187 |
| 1977 | 244 |
| 1978 | 295 |
| 1979 | 375 |
| 1980 | 450 |
| 1981 | 489 |
| 1982 | 664 |
| 1983 | 736 |
| 1984 | 842 |
| 1985 | 939 |
| 1986 | 956 |
| 1987 | 791 |
| 1988 | 745 |
| 1989 | 851 |
| 1990 | 894 |
| 1991 | 957 |
| 1992 | 936 |
| 1993 | 989 |
| 1994 | 1005 |
| 1995 | 936 |
| 1996 | 988 |
| 1997 | 987 |
| 1998 | 1045 |
| 1999 | 1063 |
| 2000 | 1137 |
| 2001 | 1249 |
| 2002 | 1175 |
| 2003 | 1162 |
| 2004 | 1230 |
| 2005 | 1231 |
| 2006 | 1295 |
| 2007 | 1396 |
| 2008 | 1409 |
| 2009 | 1388 |
| 2010 | 1462 |
| 2011 | 1407 |
| 2012 | 1504 |
| 2013 | 1573 |
| 2014 | 1563 |
| 2015 | 1590 |
| 2016 | 1536 |
| 2017 | 1486 |
| 2018 | 1448 |
| 2019 | 1380 |
| 2020 | 1396 |
| 2021 | 1162 |
| 2022 | 522 |
| 2023 | 406 |
| 2024 | 114 |