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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 10 |
| 1967 | 3 |
| 1968 | 1 |
| 1969 | 1 |
| 1970 | 1 |
| 1971 | 2 |
| 1972 | 1 |
| 1973 | 1 |
| 1974 | 5 |
| 1975 | 2 |
| 1976 | 14 |
| 1977 | 16 |
| 1978 | 35 |
| 1979 | 54 |
| 1980 | 611 |
| 1981 | 1191 |
| 1982 | 1348 |
| 1983 | 1277 |
| 1984 | 1330 |
| 1985 | 1383 |
| 1986 | 1442 |
| 1987 | 1481 |
| 1988 | 1547 |
| 1989 | 1673 |
| 1990 | 1753 |
| 1991 | 1750 |
| 1992 | 1945 |
| 1993 | 2099 |
| 1994 | 2132 |
| 1995 | 2177 |
| 1996 | 2247 |
| 1997 | 2379 |
| 1998 | 2387 |
| 1999 | 2537 |
| 2000 | 2706 |
| 2001 | 2878 |
| 2002 | 3091 |
| 2003 | 3261 |
| 2004 | 3711 |
| 2005 | 4270 |
| 2006 | 4871 |
| 2007 | 5320 |
| 2008 | 5985 |
| 2009 | 6266 |
| 2010 | 6570 |
| 2011 | 7350 |
| 2012 | 7611 |
| 2013 | 8355 |
| 2014 | 8444 |
| 2015 | 8454 |
| 2016 | 8005 |
| 2017 | 7764 |
| 2018 | 8035 |
| 2019 | 8131 |
| 2020 | 8448 |
| 2021 | 9230 |
| 2022 | 8528 |
| 2023 | 8415 |
| 2024 | 7333 |
| 2025 | 2699 |