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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1960 | 1 |
| 1967 | 1 |
| 1971 | 6 |
| 1973 | 9 |
| 1974 | 20 |
| 1975 | 184 |
| 1976 | 242 |
| 1977 | 243 |
| 1978 | 256 |
| 1979 | 261 |
| 1980 | 306 |
| 1981 | 281 |
| 1982 | 276 |
| 1983 | 322 |
| 1984 | 293 |
| 1985 | 305 |
| 1986 | 281 |
| 1987 | 282 |
| 1988 | 290 |
| 1989 | 251 |
| 1990 | 228 |
| 1991 | 239 |
| 1992 | 225 |
| 1993 | 227 |
| 1994 | 225 |
| 1995 | 206 |
| 1996 | 219 |
| 1997 | 173 |
| 1998 | 170 |
| 1999 | 153 |
| 2000 | 151 |
| 2001 | 137 |
| 2002 | 147 |
| 2003 | 138 |
| 2004 | 145 |
| 2005 | 129 |
| 2006 | 123 |
| 2007 | 150 |
| 2008 | 163 |
| 2009 | 141 |
| 2010 | 176 |
| 2011 | 163 |
| 2012 | 165 |
| 2013 | 175 |
| 2014 | 179 |
| 2015 | 198 |
| 2016 | 183 |
| 2017 | 164 |
| 2018 | 189 |
| 2019 | 165 |
| 2020 | 138 |
| 2021 | 81 |
| 2022 | 84 |
| 2023 | 82 |
| 2024 | 201 |
| 2025 | 137 |