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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 2 |
| 1966 | 2 |
| 1967 | 2 |
| 1968 | 4 |
| 1969 | 8 |
| 1970 | 12 |
| 1971 | 16 |
| 1972 | 13 |
| 1973 | 18 |
| 1974 | 23 |
| 1975 | 35 |
| 1976 | 25 |
| 1977 | 37 |
| 1978 | 38 |
| 1979 | 46 |
| 1980 | 41 |
| 1981 | 37 |
| 1982 | 36 |
| 1983 | 48 |
| 1984 | 48 |
| 1985 | 55 |
| 1986 | 58 |
| 1987 | 41 |
| 1988 | 54 |
| 1989 | 41 |
| 1990 | 58 |
| 1991 | 68 |
| 1992 | 58 |
| 1993 | 51 |
| 1994 | 51 |
| 1995 | 56 |
| 1996 | 56 |
| 1997 | 50 |
| 1998 | 65 |
| 1999 | 80 |
| 2000 | 102 |
| 2001 | 149 |
| 2002 | 130 |
| 2003 | 152 |
| 2004 | 143 |
| 2005 | 158 |
| 2006 | 196 |
| 2007 | 220 |
| 2008 | 252 |
| 2009 | 289 |
| 2010 | 308 |
| 2011 | 323 |
| 2012 | 305 |
| 2013 | 351 |
| 2014 | 406 |
| 2015 | 416 |
| 2016 | 370 |
| 2017 | 300 |
| 2018 | 380 |
| 2019 | 375 |
| 2020 | 407 |
| 2021 | 284 |
| 2022 | 134 |
| 2023 | 112 |
| 2024 | 32 |