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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1971 | 1 |
| 1973 | 1 |
| 1975 | 1 |
| 1976 | 10 |
| 1977 | 24 |
| 1978 | 57 |
| 1979 | 155 |
| 1980 | 217 |
| 1981 | 246 |
| 1982 | 419 |
| 1983 | 407 |
| 1984 | 671 |
| 1985 | 924 |
| 1986 | 1059 |
| 1987 | 1122 |
| 1988 | 1325 |
| 1989 | 1495 |
| 1990 | 1734 |
| 1991 | 2077 |
| 1992 | 2411 |
| 1993 | 2648 |
| 1994 | 2484 |
| 1995 | 2320 |
| 1996 | 2318 |
| 1997 | 2301 |
| 1998 | 2064 |
| 1999 | 1863 |
| 2000 | 2197 |
| 2001 | 1955 |
| 2002 | 2101 |
| 2003 | 2220 |
| 2004 | 2082 |
| 2005 | 2102 |
| 2006 | 2401 |
| 2007 | 2358 |
| 2008 | 2242 |
| 2009 | 1644 |
| 2010 | 1505 |
| 2011 | 1217 |
| 2012 | 1164 |
| 2013 | 1092 |
| 2014 | 987 |
| 2015 | 988 |
| 2016 | 863 |
| 2017 | 867 |
| 2018 | 838 |
| 2019 | 841 |
| 2020 | 901 |
| 2021 | 686 |
| 2022 | 182 |
| 2023 | 80 |
| 2024 | 37 |