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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1965 | 18 |
| 1966 | 52 |
| 1967 | 115 |
| 1968 | 116 |
| 1969 | 158 |
| 1970 | 188 |
| 1971 | 189 |
| 1972 | 216 |
| 1973 | 273 |
| 1974 | 273 |
| 1975 | 276 |
| 1976 | 229 |
| 1977 | 198 |
| 1978 | 202 |
| 1979 | 204 |
| 1980 | 217 |
| 1981 | 222 |
| 1982 | 173 |
| 1983 | 227 |
| 1984 | 214 |
| 1985 | 222 |
| 1986 | 192 |
| 1987 | 157 |
| 1988 | 141 |
| 1989 | 189 |
| 1990 | 162 |
| 1991 | 152 |
| 1992 | 158 |
| 1993 | 134 |
| 1994 | 145 |
| 1995 | 143 |
| 1996 | 139 |
| 1997 | 116 |
| 1998 | 148 |
| 1999 | 163 |
| 2000 | 105 |
| 2001 | 108 |
| 2002 | 100 |
| 2003 | 94 |
| 2004 | 116 |
| 2005 | 85 |
| 2006 | 95 |
| 2007 | 111 |
| 2008 | 92 |
| 2009 | 85 |
| 2010 | 98 |
| 2011 | 117 |
| 2012 | 121 |
| 2013 | 124 |
| 2014 | 112 |
| 2015 | 112 |
| 2016 | 100 |
| 2017 | 87 |
| 2018 | 74 |
| 2019 | 77 |
| 2020 | 95 |
| 2021 | 80 |
| 2022 | 62 |
| 2023 | 37 |
| 2024 | 49 |
| 2025 | 14 |