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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1963 | 4 |
| 1964 | 24 |
| 1965 | 8 |
| 1966 | 10 |
| 1967 | 42 |
| 1968 | 64 |
| 1969 | 82 |
| 1970 | 75 |
| 1971 | 98 |
| 1972 | 120 |
| 1973 | 130 |
| 1974 | 157 |
| 1975 | 160 |
| 1976 | 149 |
| 1977 | 141 |
| 1978 | 120 |
| 1979 | 127 |
| 1980 | 121 |
| 1981 | 100 |
| 1982 | 147 |
| 1983 | 108 |
| 1984 | 157 |
| 1985 | 157 |
| 1986 | 138 |
| 1987 | 144 |
| 1988 | 119 |
| 1989 | 104 |
| 1990 | 104 |
| 1991 | 127 |
| 1992 | 147 |
| 1993 | 147 |
| 1994 | 134 |
| 1995 | 206 |
| 1996 | 180 |
| 1997 | 212 |
| 1998 | 231 |
| 1999 | 246 |
| 2000 | 216 |
| 2001 | 233 |
| 2002 | 185 |
| 2003 | 241 |
| 2004 | 194 |
| 2005 | 211 |
| 2006 | 210 |
| 2007 | 199 |
| 2008 | 213 |
| 2009 | 201 |
| 2010 | 195 |
| 2011 | 214 |
| 2012 | 213 |
| 2013 | 215 |
| 2014 | 213 |
| 2015 | 200 |
| 2016 | 197 |
| 2017 | 201 |
| 2018 | 207 |
| 2019 | 216 |
| 2020 | 196 |
| 2021 | 211 |
| 2022 | 184 |
| 2023 | 165 |
| 2024 | 124 |
| 2025 | 10 |