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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 1 |
| 1965 | 15 |
| 1966 | 45 |
| 1967 | 32 |
| 1968 | 34 |
| 1969 | 52 |
| 1970 | 37 |
| 1971 | 51 |
| 1972 | 46 |
| 1973 | 51 |
| 1974 | 40 |
| 1975 | 33 |
| 1976 | 65 |
| 1977 | 52 |
| 1978 | 50 |
| 1979 | 47 |
| 1980 | 64 |
| 1981 | 56 |
| 1982 | 60 |
| 1983 | 66 |
| 1984 | 69 |
| 1985 | 83 |
| 1986 | 73 |
| 1987 | 93 |
| 1988 | 71 |
| 1989 | 106 |
| 1990 | 94 |
| 1991 | 94 |
| 1992 | 103 |
| 1993 | 101 |
| 1994 | 123 |
| 1995 | 174 |
| 1996 | 167 |
| 1997 | 157 |
| 1998 | 209 |
| 1999 | 199 |
| 2000 | 211 |
| 2001 | 227 |
| 2002 | 265 |
| 2003 | 392 |
| 2004 | 368 |
| 2005 | 321 |
| 2006 | 414 |
| 2007 | 406 |
| 2008 | 438 |
| 2009 | 467 |
| 2010 | 419 |
| 2011 | 521 |
| 2012 | 556 |
| 2013 | 606 |
| 2014 | 677 |
| 2015 | 736 |
| 2016 | 630 |
| 2017 | 695 |
| 2018 | 695 |
| 2019 | 773 |
| 2020 | 966 |
| 2021 | 1138 |
| 2022 | 1296 |
| 2023 | 1301 |
| 2024 | 1352 |
| 2025 | 788 |