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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1964 | 2 |
| 1965 | 8 |
| 1966 | 19 |
| 1967 | 37 |
| 1968 | 28 |
| 1969 | 42 |
| 1970 | 49 |
| 1971 | 49 |
| 1972 | 48 |
| 1973 | 67 |
| 1974 | 46 |
| 1975 | 56 |
| 1976 | 42 |
| 1977 | 37 |
| 1978 | 52 |
| 1979 | 62 |
| 1980 | 46 |
| 1981 | 27 |
| 1982 | 50 |
| 1983 | 48 |
| 1984 | 59 |
| 1985 | 59 |
| 1986 | 65 |
| 1987 | 41 |
| 1988 | 60 |
| 1989 | 58 |
| 1990 | 87 |
| 1991 | 88 |
| 1992 | 99 |
| 1993 | 76 |
| 1994 | 117 |
| 1995 | 83 |
| 1996 | 92 |
| 1997 | 111 |
| 1998 | 79 |
| 1999 | 89 |
| 2000 | 108 |
| 2001 | 91 |
| 2002 | 128 |
| 2003 | 113 |
| 2004 | 142 |
| 2005 | 138 |
| 2006 | 150 |
| 2007 | 125 |
| 2008 | 170 |
| 2009 | 180 |
| 2010 | 212 |
| 2011 | 204 |
| 2012 | 263 |
| 2013 | 221 |
| 2014 | 245 |
| 2015 | 277 |
| 2016 | 236 |
| 2017 | 233 |
| 2018 | 273 |
| 2019 | 281 |
| 2020 | 341 |
| 2021 | 296 |
| 2022 | 329 |
| 2023 | 303 |
| 2024 | 365 |
| 2025 | 196 |