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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1958 | 1 |
| 1963 | 1 |
| 1971 | 2 |
| 1972 | 32 |
| 1973 | 72 |
| 1974 | 137 |
| 1975 | 150 |
| 1976 | 215 |
| 1977 | 252 |
| 1978 | 351 |
| 1979 | 392 |
| 1980 | 526 |
| 1981 | 510 |
| 1982 | 631 |
| 1983 | 574 |
| 1984 | 660 |
| 1985 | 729 |
| 1986 | 712 |
| 1987 | 715 |
| 1988 | 733 |
| 1989 | 773 |
| 1990 | 809 |
| 1991 | 746 |
| 1992 | 851 |
| 1993 | 849 |
| 1994 | 987 |
| 1995 | 1023 |
| 1996 | 995 |
| 1997 | 1007 |
| 1998 | 1031 |
| 1999 | 1034 |
| 2000 | 1109 |
| 2001 | 1107 |
| 2002 | 1209 |
| 2003 | 1209 |
| 2004 | 1368 |
| 2005 | 1404 |
| 2006 | 1432 |
| 2007 | 1441 |
| 2008 | 1529 |
| 2009 | 1603 |
| 2010 | 1715 |
| 2011 | 1820 |
| 2012 | 1853 |
| 2013 | 1860 |
| 2014 | 1875 |
| 2015 | 1808 |
| 2016 | 1890 |
| 2017 | 1849 |
| 2018 | 1845 |
| 2019 | 1892 |
| 2020 | 1772 |
| 2021 | 1825 |
| 2022 | 1970 |
| 2023 | 1641 |
| 2024 | 660 |