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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1967 | 2 |
| 1968 | 13 |
| 1969 | 10 |
| 1970 | 10 |
| 1971 | 6 |
| 1972 | 8 |
| 1973 | 10 |
| 1974 | 11 |
| 1975 | 16 |
| 1976 | 24 |
| 1977 | 31 |
| 1978 | 35 |
| 1979 | 57 |
| 1980 | 49 |
| 1981 | 45 |
| 1982 | 50 |
| 1983 | 57 |
| 1984 | 63 |
| 1985 | 92 |
| 1986 | 104 |
| 1987 | 117 |
| 1988 | 134 |
| 1989 | 141 |
| 1990 | 136 |
| 1991 | 162 |
| 1992 | 139 |
| 1993 | 146 |
| 1994 | 165 |
| 1995 | 153 |
| 1996 | 167 |
| 1997 | 196 |
| 1998 | 197 |
| 1999 | 227 |
| 2000 | 154 |
| 2001 | 186 |
| 2002 | 196 |
| 2003 | 209 |
| 2004 | 163 |
| 2005 | 197 |
| 2006 | 221 |
| 2007 | 224 |
| 2008 | 186 |
| 2009 | 179 |
| 2010 | 195 |
| 2011 | 171 |
| 2012 | 207 |
| 2013 | 214 |
| 2014 | 260 |
| 2015 | 203 |
| 2016 | 201 |
| 2017 | 200 |
| 2018 | 203 |
| 2019 | 237 |
| 2020 | 195 |
| 2021 | 162 |
| 2022 | 297 |
| 2023 | 264 |
| 2024 | 116 |