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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1956 | 1 |
| 1958 | 1 |
| 1960 | 1 |
| 1964 | 1 |
| 1968 | 1 |
| 1969 | 1 |
| 1971 | 1 |
| 1972 | 6 |
| 1973 | 1 |
| 1974 | 1 |
| 1975 | 10 |
| 1976 | 11 |
| 1977 | 10 |
| 1978 | 16 |
| 1979 | 24 |
| 1980 | 30 |
| 1981 | 40 |
| 1982 | 60 |
| 1983 | 89 |
| 1984 | 88 |
| 1985 | 146 |
| 1986 | 151 |
| 1987 | 242 |
| 1988 | 332 |
| 1989 | 511 |
| 1990 | 843 |
| 1991 | 1015 |
| 1992 | 1185 |
| 1993 | 1437 |
| 1994 | 1560 |
| 1995 | 1861 |
| 1996 | 2121 |
| 1997 | 2369 |
| 1998 | 2620 |
| 1999 | 3009 |
| 2000 | 3488 |
| 2001 | 4122 |
| 2002 | 4383 |
| 2003 | 5162 |
| 2004 | 5968 |
| 2005 | 7323 |
| 2006 | 8263 |
| 2007 | 9736 |
| 2008 | 10921 |
| 2009 | 12045 |
| 2010 | 13092 |
| 2011 | 14275 |
| 2012 | 15514 |
| 2013 | 17995 |
| 2014 | 18808 |
| 2015 | 19354 |
| 2016 | 19610 |
| 2017 | 19977 |
| 2018 | 19882 |
| 2019 | 20664 |
| 2020 | 22848 |
| 2021 | 24289 |
| 2022 | 23840 |
| 2023 | 21855 |
| 2024 | 23098 |
| 2025 | 25398 |
| 2026 | 16992 |
| 2027 | 1 |