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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 1 |
| 1968 | 1 |
| 1969 | 20 |
| 1970 | 16 |
| 1971 | 11 |
| 1972 | 29 |
| 1973 | 35 |
| 1974 | 24 |
| 1975 | 26 |
| 1976 | 45 |
| 1977 | 43 |
| 1978 | 41 |
| 1979 | 43 |
| 1980 | 20 |
| 1985 | 1 |
| 1987 | 44 |
| 1988 | 97 |
| 1989 | 147 |
| 1990 | 153 |
| 1991 | 172 |
| 1992 | 195 |
| 1993 | 187 |
| 1994 | 189 |
| 1995 | 186 |
| 1996 | 216 |
| 1997 | 223 |
| 1998 | 270 |
| 1999 | 266 |
| 2000 | 325 |
| 2001 | 332 |
| 2002 | 384 |
| 2003 | 416 |
| 2004 | 531 |
| 2005 | 585 |
| 2006 | 633 |
| 2007 | 698 |
| 2008 | 905 |
| 2009 | 852 |
| 2010 | 886 |
| 2011 | 947 |
| 2012 | 1068 |
| 2013 | 1187 |
| 2014 | 1388 |
| 2015 | 1463 |
| 2016 | 1314 |
| 2017 | 1105 |
| 2018 | 1138 |
| 2019 | 1209 |
| 2020 | 1040 |
| 2021 | 634 |
| 2022 | 595 |
| 2023 | 546 |
| 2024 | 837 |
| 2025 | 675 |