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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1968 | 1 |
| 1969 | 10 |
| 1970 | 113 |
| 1971 | 201 |
| 1972 | 138 |
| 1973 | 9 |
| 1974 | 24 |
| 1975 | 62 |
| 1976 | 59 |
| 1977 | 52 |
| 1978 | 47 |
| 1979 | 68 |
| 1980 | 86 |
| 1981 | 102 |
| 1982 | 147 |
| 1983 | 251 |
| 1984 | 186 |
| 1985 | 220 |
| 1986 | 276 |
| 1987 | 261 |
| 1988 | 237 |
| 1989 | 290 |
| 1990 | 364 |
| 1991 | 346 |
| 1992 | 308 |
| 1993 | 301 |
| 1994 | 289 |
| 1995 | 366 |
| 1996 | 301 |
| 1997 | 277 |
| 1998 | 304 |
| 1999 | 381 |
| 2000 | 351 |
| 2001 | 411 |
| 2002 | 537 |
| 2003 | 574 |
| 2004 | 656 |
| 2005 | 702 |
| 2006 | 739 |
| 2007 | 829 |
| 2008 | 777 |
| 2009 | 794 |
| 2010 | 866 |
| 2011 | 940 |
| 2012 | 953 |
| 2013 | 1073 |
| 2014 | 1017 |
| 2015 | 1092 |
| 2016 | 930 |
| 2017 | 935 |
| 2018 | 911 |
| 2019 | 879 |
| 2020 | 913 |
| 2021 | 932 |
| 2022 | 881 |
| 2023 | 717 |
| 2024 | 280 |