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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1970 | 1 |
| 1971 | 1 |
| 1973 | 1 |
| 1974 | 3 |
| 1975 | 20 |
| 1976 | 16 |
| 1977 | 28 |
| 1978 | 16 |
| 1979 | 22 |
| 1980 | 20 |
| 1981 | 19 |
| 1982 | 26 |
| 1983 | 24 |
| 1984 | 26 |
| 1985 | 32 |
| 1986 | 32 |
| 1987 | 64 |
| 1988 | 67 |
| 1989 | 98 |
| 1990 | 97 |
| 1991 | 148 |
| 1992 | 120 |
| 1993 | 85 |
| 1994 | 86 |
| 1995 | 73 |
| 1996 | 104 |
| 1997 | 130 |
| 1998 | 153 |
| 1999 | 227 |
| 2000 | 205 |
| 2001 | 255 |
| 2002 | 345 |
| 2003 | 612 |
| 2004 | 885 |
| 2005 | 908 |
| 2006 | 950 |
| 2007 | 974 |
| 2008 | 1115 |
| 2009 | 1174 |
| 2010 | 1174 |
| 2011 | 1102 |
| 2012 | 1029 |
| 2013 | 1099 |
| 2014 | 1094 |
| 2015 | 1215 |
| 2016 | 1157 |
| 2017 | 1178 |
| 2018 | 1174 |
| 2019 | 1165 |
| 2020 | 924 |
| 2021 | 455 |
| 2022 | 304 |
| 2023 | 233 |
| 2024 | 1019 |
| 2025 | 577 |