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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1960 | 1 |
| 1961 | 1 |
| 1962 | 1 |
| 1963 | 2 |
| 1964 | 2 |
| 1966 | 1 |
| 1969 | 4 |
| 1970 | 31 |
| 1971 | 121 |
| 1972 | 179 |
| 1973 | 177 |
| 1974 | 234 |
| 1975 | 179 |
| 1976 | 142 |
| 1977 | 127 |
| 1978 | 141 |
| 1979 | 168 |
| 1980 | 127 |
| 1981 | 118 |
| 1982 | 129 |
| 1983 | 128 |
| 1984 | 180 |
| 1985 | 148 |
| 1986 | 136 |
| 1987 | 131 |
| 1988 | 132 |
| 1989 | 130 |
| 1990 | 158 |
| 1991 | 151 |
| 1992 | 139 |
| 1993 | 135 |
| 1994 | 104 |
| 1995 | 159 |
| 1996 | 121 |
| 1997 | 139 |
| 1998 | 126 |
| 1999 | 135 |
| 2000 | 148 |
| 2001 | 135 |
| 2002 | 135 |
| 2003 | 142 |
| 2004 | 172 |
| 2005 | 199 |
| 2006 | 207 |
| 2007 | 178 |
| 2008 | 182 |
| 2009 | 193 |
| 2010 | 234 |
| 2011 | 203 |
| 2012 | 230 |
| 2013 | 244 |
| 2014 | 243 |
| 2015 | 256 |
| 2016 | 245 |
| 2017 | 243 |
| 2018 | 197 |
| 2019 | 211 |
| 2020 | 203 |
| 2021 | 160 |
| 2022 | 78 |
| 2023 | 57 |
| 2024 | 167 |
| 2025 | 85 |