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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 1 |
| 1964 | 1 |
| 1965 | 18 |
| 1966 | 49 |
| 1967 | 64 |
| 1968 | 74 |
| 1969 | 97 |
| 1970 | 81 |
| 1971 | 135 |
| 1972 | 143 |
| 1973 | 147 |
| 1974 | 180 |
| 1975 | 155 |
| 1976 | 194 |
| 1977 | 183 |
| 1978 | 164 |
| 1979 | 154 |
| 1980 | 197 |
| 1981 | 188 |
| 1982 | 190 |
| 1983 | 203 |
| 1984 | 228 |
| 1985 | 199 |
| 1986 | 246 |
| 1987 | 214 |
| 1988 | 203 |
| 1989 | 186 |
| 1990 | 262 |
| 1991 | 237 |
| 1992 | 203 |
| 1993 | 240 |
| 1994 | 238 |
| 1995 | 230 |
| 1996 | 235 |
| 1997 | 276 |
| 1998 | 267 |
| 1999 | 242 |
| 2000 | 262 |
| 2001 | 224 |
| 2002 | 233 |
| 2003 | 244 |
| 2004 | 222 |
| 2005 | 241 |
| 2006 | 246 |
| 2007 | 249 |
| 2008 | 275 |
| 2009 | 259 |
| 2010 | 233 |
| 2011 | 214 |
| 2012 | 204 |
| 2013 | 190 |
| 2014 | 164 |
| 2015 | 163 |
| 2016 | 118 |
| 2017 | 83 |
| 2018 | 91 |
| 2019 | 79 |
| 2020 | 88 |
| 2021 | 74 |
| 2022 | 10 |
| 2024 | 4 |