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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 1 |
| 1967 | 9 |
| 1968 | 9 |
| 1969 | 12 |
| 1970 | 5 |
| 1971 | 24 |
| 1972 | 23 |
| 1973 | 62 |
| 1974 | 51 |
| 1975 | 74 |
| 1976 | 43 |
| 1977 | 53 |
| 1978 | 77 |
| 1979 | 53 |
| 1980 | 71 |
| 1981 | 51 |
| 1982 | 63 |
| 1983 | 77 |
| 1984 | 90 |
| 1985 | 91 |
| 1986 | 111 |
| 1987 | 147 |
| 1988 | 204 |
| 1989 | 271 |
| 1990 | 544 |
| 1991 | 659 |
| 1992 | 918 |
| 1993 | 612 |
| 1994 | 770 |
| 1995 | 901 |
| 1996 | 966 |
| 1997 | 1253 |
| 1998 | 1282 |
| 1999 | 994 |
| 2000 | 1067 |
| 2001 | 1191 |
| 2002 | 1261 |
| 2003 | 1471 |
| 2004 | 1433 |
| 2005 | 1407 |
| 2006 | 1179 |
| 2007 | 1277 |
| 2008 | 1370 |
| 2009 | 1470 |
| 2010 | 1537 |
| 2011 | 1887 |
| 2012 | 2094 |
| 2013 | 2236 |
| 2014 | 2235 |
| 2015 | 2355 |
| 2016 | 2454 |
| 2017 | 2471 |
| 2018 | 2616 |
| 2019 | 2787 |
| 2020 | 2568 |
| 2021 | 1201 |
| 2022 | 156 |
| 2023 | 134 |
| 2024 | 923 |
| 2025 | 701 |