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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1971 | 1 |
| 1972 | 2 |
| 1973 | 2 |
| 1974 | 26 |
| 1975 | 90 |
| 1976 | 94 |
| 1977 | 167 |
| 1978 | 239 |
| 1979 | 276 |
| 1980 | 287 |
| 1981 | 343 |
| 1982 | 386 |
| 1983 | 394 |
| 1984 | 366 |
| 1985 | 346 |
| 1986 | 370 |
| 1987 | 384 |
| 1988 | 379 |
| 1989 | 462 |
| 1990 | 472 |
| 1991 | 611 |
| 1992 | 590 |
| 1993 | 583 |
| 1994 | 879 |
| 1995 | 863 |
| 1996 | 920 |
| 1997 | 1071 |
| 1998 | 1075 |
| 1999 | 1116 |
| 2000 | 1281 |
| 2001 | 1211 |
| 2002 | 1756 |
| 2003 | 2244 |
| 2004 | 2862 |
| 2005 | 3885 |
| 2006 | 4810 |
| 2007 | 5369 |
| 2008 | 5679 |
| 2009 | 5812 |
| 2010 | 5747 |
| 2011 | 6000 |
| 2012 | 6510 |
| 2013 | 6910 |
| 2014 | 6979 |
| 2015 | 6357 |
| 2016 | 6136 |
| 2017 | 6043 |
| 2018 | 6102 |
| 2019 | 5566 |
| 2020 | 4654 |
| 2021 | 2952 |
| 2022 | 1981 |
| 2023 | 1678 |
| 2024 | 569 |