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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 1 |
| 1966 | 3 |
| 1967 | 13 |
| 1968 | 17 |
| 1969 | 26 |
| 1970 | 32 |
| 1971 | 23 |
| 1972 | 35 |
| 1973 | 16 |
| 1974 | 32 |
| 1975 | 33 |
| 1976 | 32 |
| 1977 | 41 |
| 1978 | 40 |
| 1979 | 50 |
| 1980 | 65 |
| 1981 | 42 |
| 1982 | 59 |
| 1983 | 58 |
| 1984 | 63 |
| 1985 | 73 |
| 1986 | 77 |
| 1987 | 56 |
| 1988 | 67 |
| 1989 | 82 |
| 1990 | 95 |
| 1991 | 101 |
| 1992 | 115 |
| 1993 | 109 |
| 1994 | 92 |
| 1995 | 105 |
| 1996 | 105 |
| 1997 | 90 |
| 1998 | 116 |
| 1999 | 134 |
| 2000 | 131 |
| 2001 | 116 |
| 2002 | 128 |
| 2003 | 142 |
| 2004 | 133 |
| 2005 | 151 |
| 2006 | 130 |
| 2007 | 165 |
| 2008 | 177 |
| 2009 | 184 |
| 2010 | 209 |
| 2011 | 267 |
| 2012 | 294 |
| 2013 | 283 |
| 2014 | 359 |
| 2015 | 346 |
| 2016 | 359 |
| 2017 | 343 |
| 2018 | 327 |
| 2019 | 356 |
| 2020 | 360 |
| 2021 | 308 |
| 2022 | 45 |
| 2023 | 16 |
| 2024 | 318 |
| 2025 | 327 |