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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1960 | 1 |
| 1969 | 2 |
| 1972 | 2 |
| 1973 | 8 |
| 1974 | 58 |
| 1975 | 161 |
| 1976 | 149 |
| 1977 | 142 |
| 1978 | 132 |
| 1979 | 185 |
| 1980 | 178 |
| 1981 | 144 |
| 1982 | 167 |
| 1983 | 173 |
| 1984 | 163 |
| 1985 | 150 |
| 1986 | 127 |
| 1987 | 181 |
| 1988 | 239 |
| 1989 | 250 |
| 1990 | 258 |
| 1991 | 258 |
| 1992 | 227 |
| 1993 | 265 |
| 1994 | 270 |
| 1995 | 257 |
| 1996 | 292 |
| 1997 | 344 |
| 1998 | 369 |
| 1999 | 333 |
| 2000 | 431 |
| 2001 | 444 |
| 2002 | 501 |
| 2003 | 621 |
| 2004 | 592 |
| 2005 | 612 |
| 2006 | 599 |
| 2007 | 729 |
| 2008 | 751 |
| 2009 | 722 |
| 2010 | 817 |
| 2011 | 863 |
| 2012 | 914 |
| 2013 | 978 |
| 2014 | 1072 |
| 2015 | 1067 |
| 2016 | 959 |
| 2017 | 892 |
| 2018 | 1000 |
| 2019 | 1115 |
| 2020 | 1052 |
| 2021 | 710 |
| 2022 | 230 |
| 2023 | 126 |
| 2024 | 207 |