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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 4 |
| 1966 | 10 |
| 1967 | 25 |
| 1968 | 42 |
| 1969 | 96 |
| 1970 | 97 |
| 1971 | 139 |
| 1972 | 125 |
| 1973 | 163 |
| 1974 | 186 |
| 1975 | 186 |
| 1976 | 213 |
| 1977 | 215 |
| 1978 | 226 |
| 1979 | 222 |
| 1980 | 230 |
| 1981 | 191 |
| 1982 | 211 |
| 1983 | 222 |
| 1984 | 191 |
| 1985 | 228 |
| 1986 | 246 |
| 1987 | 212 |
| 1988 | 256 |
| 1989 | 273 |
| 1990 | 240 |
| 1991 | 252 |
| 1992 | 233 |
| 1993 | 226 |
| 1994 | 217 |
| 1995 | 198 |
| 1996 | 208 |
| 1997 | 216 |
| 1998 | 219 |
| 1999 | 178 |
| 2000 | 185 |
| 2001 | 177 |
| 2002 | 181 |
| 2003 | 188 |
| 2004 | 192 |
| 2005 | 189 |
| 2006 | 194 |
| 2007 | 168 |
| 2008 | 186 |
| 2009 | 213 |
| 2010 | 225 |
| 2011 | 228 |
| 2012 | 243 |
| 2013 | 232 |
| 2014 | 230 |
| 2015 | 230 |
| 2016 | 227 |
| 2017 | 216 |
| 2018 | 225 |
| 2019 | 222 |
| 2020 | 197 |
| 2021 | 152 |
| 2022 | 176 |
| 2023 | 141 |
| 2024 | 175 |
| 2025 | 187 |
| 2026 | 105 |