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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1969 | 1 |
| 1970 | 1 |
| 1971 | 1 |
| 1973 | 1 |
| 1974 | 4 |
| 1975 | 17 |
| 1976 | 11 |
| 1977 | 18 |
| 1978 | 16 |
| 1979 | 26 |
| 1980 | 45 |
| 1981 | 42 |
| 1982 | 46 |
| 1983 | 81 |
| 1984 | 83 |
| 1985 | 56 |
| 1986 | 79 |
| 1987 | 117 |
| 1988 | 150 |
| 1989 | 184 |
| 1990 | 183 |
| 1991 | 220 |
| 1992 | 224 |
| 1993 | 244 |
| 1994 | 241 |
| 1995 | 350 |
| 1996 | 314 |
| 1997 | 364 |
| 1998 | 410 |
| 1999 | 458 |
| 2000 | 422 |
| 2001 | 490 |
| 2002 | 524 |
| 2003 | 549 |
| 2004 | 645 |
| 2005 | 712 |
| 2006 | 775 |
| 2007 | 767 |
| 2008 | 1050 |
| 2009 | 1139 |
| 2010 | 1247 |
| 2011 | 1350 |
| 2012 | 1552 |
| 2013 | 1612 |
| 2014 | 1630 |
| 2015 | 1699 |
| 2016 | 1025 |
| 2017 | 718 |
| 2018 | 1138 |
| 2019 | 1238 |
| 2020 | 1351 |
| 2021 | 1525 |
| 2022 | 1350 |
| 2023 | 1035 |
| 2024 | 144 |