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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1971 | 1 |
| 1972 | 32 |
| 1973 | 116 |
| 1974 | 162 |
| 1975 | 136 |
| 1976 | 162 |
| 1977 | 137 |
| 1978 | 137 |
| 1979 | 132 |
| 1980 | 84 |
| 1981 | 58 |
| 1982 | 72 |
| 1983 | 47 |
| 1984 | 73 |
| 1985 | 96 |
| 1986 | 89 |
| 1987 | 81 |
| 1988 | 106 |
| 1989 | 154 |
| 1990 | 310 |
| 1991 | 404 |
| 1992 | 417 |
| 1993 | 541 |
| 1994 | 556 |
| 1995 | 641 |
| 1996 | 636 |
| 1997 | 660 |
| 1998 | 717 |
| 1999 | 795 |
| 2000 | 784 |
| 2001 | 859 |
| 2002 | 839 |
| 2003 | 904 |
| 2004 | 960 |
| 2005 | 962 |
| 2006 | 1052 |
| 2007 | 1042 |
| 2008 | 1151 |
| 2009 | 1193 |
| 2010 | 1211 |
| 2011 | 1320 |
| 2012 | 1289 |
| 2013 | 1265 |
| 2014 | 1197 |
| 2015 | 1155 |
| 2016 | 1056 |
| 2017 | 1001 |
| 2018 | 925 |
| 2019 | 907 |
| 2020 | 1057 |
| 2021 | 1100 |
| 2022 | 604 |
| 2023 | 372 |
| 2024 | 90 |