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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1971 | 1 |
| 1972 | 1 |
| 1973 | 1 |
| 1974 | 5 |
| 1975 | 2 |
| 1976 | 2 |
| 1978 | 2 |
| 1979 | 2 |
| 1980 | 7 |
| 1981 | 9 |
| 1982 | 3 |
| 1983 | 5 |
| 1984 | 6 |
| 1985 | 10 |
| 1986 | 12 |
| 1987 | 15 |
| 1988 | 15 |
| 1989 | 21 |
| 1990 | 218 |
| 1991 | 555 |
| 1992 | 614 |
| 1993 | 759 |
| 1994 | 871 |
| 1995 | 927 |
| 1996 | 982 |
| 1997 | 1016 |
| 1998 | 1114 |
| 1999 | 1093 |
| 2000 | 1129 |
| 2001 | 1126 |
| 2002 | 1178 |
| 2003 | 1329 |
| 2004 | 1393 |
| 2005 | 1620 |
| 2006 | 1724 |
| 2007 | 1877 |
| 2008 | 2032 |
| 2009 | 2098 |
| 2010 | 2409 |
| 2011 | 2492 |
| 2012 | 2538 |
| 2013 | 2610 |
| 2014 | 2515 |
| 2015 | 2498 |
| 2016 | 2500 |
| 2017 | 2420 |
| 2018 | 2425 |
| 2019 | 2434 |
| 2020 | 2532 |
| 2021 | 2595 |
| 2022 | 2332 |
| 2023 | 2405 |
| 2024 | 1708 |
| 2025 | 2 |